Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of Military Police conduct a last light TAOR (Tactical Area of Responsibility) patrol aroundthe 1st Logistics Support Base at Vung Tau. Each unit at 1st ALSG Base were rostered to undertake first and last light patrols looking for possible enemy activity.photograph, military police, 1st alsg base, tactical area of responsitility (taor), 1st logistics support base, vung tau, gibbons collection catalogue, taor patrol, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of Pte Peter A. Allen of 9 RAR is escorted by a Military Policeman from the Court Marshall Centre at the 1st Logistic Support Base, Vung Tau. Pte Allen was being tried for the murder of his Platoon Commander Lt Robert Convery. Allen was ultimately convicted.photograph, court marshall, pte peter allen, lt robert convery, military police, 1st alsg base, vung tau, 9 rar, gibbons collection catalogue, murdered by soldier, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of the Australian Forces Vietnam detention barack located at 1st Australian Logistic Support Base, Vung Tau. It was here that those diggers who wer responsible for the more serious breaches of good order and military discipline were sent.photograph, 1st alsg base, military police, vung tau, detention barrack, gibbons collection catalogue, diggers, military discipline, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of the regimentation, discipline and order required of a prisoner, in his cell, when confined to Australian Forces Vietnam Detention Barack located at the First Australian Logistic Support Base, Vung Tauphotograph, detention barrack, 1st alsg base, vung tau, military police, gibbons collection catalogue, prisoners, australian forces vietnam detention barack, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph one of the lead acts with the Official Sep-Oct 67 Melbourne Concert Party, Patty McGrath projects herself towards the Diggers at 1 ATF, Nui Dat, Luscombe Bowl. At this early stage in the development of the Task Force Base, few of the diggers had fold up chairs.photograph, patti mcgrath, 1 atf, nui dat, luscombe bowl, entertainers, gibbons collection catalogue, official sep-oct 67 melbourne concert party, diggers, 1st australian task force, denis gibbons

The Royal Australian Navy was founded in 1911. It is the Naval Arm of the Australian Defence Force. The Navy serves the Nations interests at sea, in peace and in war. The Navy approaches war as a last resort. It fights only to protect our nation or to uphold the rules based global order.Wooden framed photograph depicting a group of Naval vessels at sea.Below the photograph the wording " A Royal Australian Navy Task Group at sea. (from left HMA Ships ADELAIDE, STALWART,TORRENS,SUPPLY,VAMPIRE CANBERRA and SWAN.)

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of Pte Mike Coyle an infantry soldier with the 1st Australian Civil Affairs Unit (1ACA) supervises Ap Sui Nge villagers in the construction of their homes. The village was designed and implimented by 1ACA to house refugees from North Vietnamphotograph, 1st australian civil affairs unit, 1st atf base, ap sui nge village, pte mike coyle, gibbons collection catalogue, refugee village, 1 aca, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph taken in the recreation building at the RAAF Base Vung Tau, Johnny O'Keefe and his rock and roll band perform a night show for RAAF Diggers. On most days the official concert parties woul performed up to three shows a day, morning, afternoon and night.photograph, raaf, vung tau, johnny o'keefe, gibbons collection catalogue, entertainers, raaf diggers, raaf base, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of The Wills Sisters, one of headline acts with the official Feb-Mar 69 South Australian Concert Party perform in the recreation building at the RAAF Air Base, Vung Tau. This was the third show of the day performed by members of the South Australian Concert Party.photograph, entertainers, wills sisters, south australian concert party, raaf, vung tau, gibbons collection catalogue, raaf air base, anne wills, susan wills, official feb-mar 69 south australian concert party, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of Sergeant Jurd and Pte R.W. Hunter with tracker dog 'Milo' at the Fire Support Base Peggy enjoy a quiet yarn during a break away from patrolling during Operation Federal (FebruaryMarchr 1969) Tracker dogs were used in a variety of roles.photograph, sgt jurd, pte hunter, operation federal, fire support base, tracker dog, gibbons collection catalogue, fire base peggy, milo tracker dog, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of Mortar Platoon members of 4 RAR/NZ (ANZAC) Pte M.P.McAuley, Pte R.A.Penny check the claymore lines and clean the M60 machine gun on the 1st Australian Task Force perimeter defences. Pte Penny was a member of the New Zealand component of 4RARphotograph, 1st atf base, 4rar nz, m60 machine gun, mortars, pte mcauley, pte penny, gibbons collection catalogue, claymore mine, 4 rar/nz (anzac), new zealand, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of the crew of a New Zealand mortar, mounted inside an Australian Australian Personnel Carrier, cover their ears against the blast sound, as they fire in support of ANZAC infantry operating in Phuoc Tuy Provincephotograph, 1st atf base, nui dat, phuoc tuy province, 4 rar nz, mortars, apc, gibbons collection catalogue, new zealand, 4 rar/nz (anzac), infantry, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of the medical ward at the 1st Australian Field Hospital Vung Tau has its capacity doubled by the use of double beds to accommodate the sick during a bad outbreak of malaria amongst the Diggers of the Australian Force in Vietnam.photograph, 1st australian field hospital, vung tau, malaria, 1st atf base, gibbons collection catalogue, diggers, 1st australian task force, australian forces, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of the Batman, Pte Jack Higgin, Chelsea, Victoria brews a coffee for himself and his boss Maj Jake O'Donnell MC, Woolgoolga, NSW, A Company, 7 RAR (1967-1968) during Operation Caroline a search and destroy mission, in the Nui Nghe mountains foothillsphotograph, a coy, 7 rar, pte jack higgins, maj jake o'donnell, operation caroline, 1st atf base, nui nghe mountains, gibbons collection catalogue, military cross, the distinguished service order (dso), denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of Maj Gen Doug Vincent Commanding Officer, Australian Force Vietnam "forcefully" makes a point to Lt Col Don Begg, Commanding Officer 1st Field Regt RAA. The talks were held in the Ist ATF Commanders office at Nui Dat, Phuoc Tuy Province, South Vietnam (circa Feb 1967)photograph, maj gen doug vincent, lt col don begg, 1st field regt, 1st atf base, nui dat, phuoc tuy province, gibbons collection catalogue, australian force vietnam, 1st field raa, australian task force, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of 1st Australia Task Force Commander Brig Sandy Pearson with the Commanding Officer of the 4th BattalionNew Zealand (ANZAC) at the battalion locally produced farewell concert at Nui Dat, enjoy a Digger comedians "send up" of their officersphotograph, brig sandy pearson, 4th nz battalion, 1st atf base, nui dat, gibbons collection catalogue, digger, 1st australian task force, commanding officer, 4 rar/nz (anzac), entertainment, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A coloured photograph of Maj Gen R.A. Hay, The Commander, Australian Force Vietnam, talking with the Officer Commanding, A Battery 2/35th United States Artillery, of 155mm mobile guns, attached to the 1st Australian Task Force, during a visit to a Forward Fire Support Basephotograph, maj gen hay, 1st atf base, nui dat, 2/35th us artillery, gibbons collection catalogue, fire support base, australian force vietnam, officer commanding, a battery, 1st australian task force, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of the Commander, Australian Force, Vietnam, Maj Gen Doug Vincent whilst waiting at Kanga pad for his personal helicopter, discusses some problems with the 1st Australian Task Force Commander (Dec 1966 - Oct 1967) Brig. Stuart Graham (circa March 1968)photograph, kanga pad, maj gen doug vincent, brig graham, 1st atf base, nui dat, gibbons collection catalogue, australian force vietnam, helicopter, 1st australian task force, brig. stuart graham, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of Maj Gen Doug Vincent and a visiting New Zealand politician watch as the Battery Commander 161 Battery Royal New Zealand Aartillery attached to the Australian 1st Field Regt Nui Dat. photograph, maj gen doug vincent, 161 battery rnza, 1st atf base, gibbons collection catalogue, royal new zealand artillery, nui dat, battery commander, australian 1st field regiment, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of WO1 Reginald Amos Bandy MBE, the Regimental Sergeant Major of the 7th Battalion, Royal Australian Regiment is met by his wife on arrival at the Garden Island Naval Base, Sydney, NSW after the Battalion had completed its second tour of duty in Vietnam (1970-1971)photograph, wo1 reginald amos bandy mbe, member of the order of the british empire (mbe), 7 rar, garden island naval base, sydney, gibbons collection catalogue, 7th battalion, regimental sergeant major, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A coloured photograph of 1st Australian Task Force Deputy Commander accompanied by the Commanding Officer of 1st Australian Civil Affairs Unit salute the South Vietnamese flag as the National Anthem is played during a handing over ceremony at Baria, Phuoc Tuy Province Capitalphotograph, 1st atf base, 1st australian civil affairs unit, baria, phuoc tuy province, gibbons collection catalogue, 1st australian task force, deputy commander, commanding officer, south vietnamese national anthem, handing over ceremony, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A coloured photograph of - In a formal ceremony at the American Air Base Phan Rang, South Vietnam, the RAAF's 2 Squadron Canberra Bombers are presented with the US Presidential Unit Citation for actions during WW2. The Squadron had just arrived for active duty from Malaya (circa April 1967)photograph, us air base phan rang, raaf, 2 squadron raaf, us presidental unit citation, gibbons collection catalogue, canberra bomber, ww2, malaya, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of Medic Tony Thomas checks operating theatre stores following a day of operations on diggers at the 1st Australian Field Hospital located in the Australian Logisitic Support Base.photograph, 1st australian field hospital, 1st australian logistic support base, tony thomas - medic, vung tau, gibbons collection catalogue, diggers, wounded servicemen, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of Dinah Lee and digger friend from the audience have the diggers swinging with a song and dance act at the ABC Dance Band Concert Party at the 1st ATF Base, Nui Dat. photograph, dinah lee, entertainers, abc dance band concert party, 1 atf, nui dat, gibbons collection catalogue, digger, diggers, 1st australian task force, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of two members of the Feb-Mar 70 South Australian Concert Party, Tamara Osypenko and Jury Osypenko present their unique vocal presentation to the Diggers in the recreation building at the RAAF Air Base, Vung Tau. The duets were a hit with the airmen.photograph, raaf, jury osypenko, tamara osypenko, vung tau, gibbons collection catalogue, entertainers, airmen, diggers, feb-mar 70 south australian concert party, raaf air base, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of the musicians and artists with the Official Apr-May 70 Sydney Concert Party, Erica De Wit, Brian Doyle, Walter Preston, Wendy Snushall of the "Prestons", Graham Quy, Glenise Shearman, John Spillman and Neil Yeoman thank the diggers after their afternoon show. is engrossed in her rendition of a song to the assembled Diggers at 1 ATF Base Nui Dat, Luscombe Bowlphotograph, 1 atf, nui dat, luscombe bowl, sydney concert party, erica de wit, brian doyle, walter preston, wendy snushall, graham guy, glenise shearman, john spillman, neil yoeman, gibbons collection catalogue, entertainers, official apr-may 70 sydney concert party, 1st australian task force, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of Brig Stewart Weir MC, 1st Australian Task Force Commander (1969-1970) shares a joke with Engineers repairing a bridge on Vietnam's National Route 23 which had suffered water damage to its foundation. The bridge was built by 1st Field Squandron Engineersphotograph, brig stewart weir, 1st field sqn engineers, national route 23, gibbons collection catalogue, engineers, 1 atf base, 1st australian task force, commander, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of the 1st Australian Task Force Commander (Aug 1969 - Jun 1970) Brigadier Stewart Weir MC, inspects a bridge built by 17 Construction Squadron over a creek northwest of the province capital Baria. The Engineers are fitting screens to protect the foundations.photograph, brig stewart weir, 1st atf base, baria, gibbons collection catalogue, 17th construction squadron, engineers, military cross, 1st australian task force, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of Brig. Stuart Graham, 1st Australian Task Force Commander (1966-7967) discusses some problems with the Commander, Australian Force Vietnam, Maj Gen Doug Vincent at "Kanga Helicopter Pad" while Gen. Vincent waits his personal helicopter to arrive.photograph, brig graham, maj gen doug vincent, 1st atf base, australian force vietnam, kanga pad, gibbons collection catalogue, brigadier stuart graham, 1st australian task force, commander, kanga helocopter pad, denis gibbons

Denis Gibbons (1937 – 2011) Trained with the Australian Army, before travelling to Vietnam in January 1966, Denis stayed with the 1st Australian Task Force in Nui Dat working as a photographer. For almost five years Gibbons toured with nine Australian infantry battalions, posting compelling war images from within many combat zones before being flown out in late November 1970 after sustaining injuries. The images held within the National Vietnam Veterans Museum make up the Gibbons Collection. A black and white photograph of the 1st Australian Task Force Commander (Dec 1966 - Oct 1967) Brigadier Stuart Graham discusses operation matters with Commander, Australian Force Vietnam, Major General Doug Vincent. The discussions were held in Brig. Grahams' office at Headquarters.photograph, maj gen doug vincent, brig graham, 1st atf base, nui dat, australian force vietnam, gibbons collection catalogue, 1st australian task force, commander, denis gibbons