This item was donated by Sgt Derrill Vivian de Heer (37643) who was with the Royal Australian Infantry Corps and served with the 8th Battalion, The Royal Australian Regiment from November 1969 to April 1970, 1st Psychological Operations Unit from April 1970 to November 1970 and the 4thBattalion, The Royal Australian Regiment from September 1971 to December 1971.Three copies of Social Science, The Australian counterinsurgency campaign in the Vietnam War: the ambush battle, published in the Journal of Maps, vol.10, No.1, 2014.counterinsurgency campaign, 1st australian task force, phuoc tuy province, vc/pavn, sgt derril vivian de heer, 37643, royal australian infantry corps, 8th battalion, the royal australian regiment, 1st psychological operations unit

A collection of letters from Phuoc Tuyde heer, derrill. -- operation wandering souls project, hall, bob. -- operation wandering souls project, unsw canberra -- operation wandering souls project, vietnam war, 1961-1975 -- veterans -- australia, phuoc tuy, sgt derril vivian de heer, 37643, royal australian infantry corps, 8th battalion, the royal australian regiment, 1st psychological operations unit

A collection of letters during the Bihn Dinh era. derrill. -- operation wandering souls project, hall, bob. -- operation wandering souls project, unsw canberra -- operation wandering souls project, vietnam war, 1961-1975 -- veterans -- australia, binh dinh, sgt derril vivian de heer, 37643, royal australian infantry corps, 8th battalion, 1st psychological operations unit, 4th battalion, the royal australian regiment

This item was donated by Sgt Derrill Vivian de Heer (37643) who was with the Royal Australian Infantry Corps and served with the 8th Battalion, The Royal Australian Regiment from November 1969 to April 1970, 1st Psychological Operations Unit from April 1970 to November 1970 and the 4th Battalion, The Royal Australian Regiment from September 1971 to December 1971.Two copies of Kinetics in Counterinsurgency: some influences on soldier combat performance in the 1st Australian Task Force in the Vietnam War, published in the journal, Small Wars & Insurgencies. Vol. 21 No. 3, Sep 2010.counterinsurgency, combat performance, soldier lethality, 1st australian task force, viet cong, people's army of north vietnam, pavn, vc, d company, 6th battalion, the royal australian regiment, battle of long tan, us army, apc, special air services, sas, phuoc tuy province, wounded in action, killed in action, sgt derril vivian de heer, 37643, royal australian infantry corps, 8th battalion, 1st psychological operations unit

This item was donated by Sgt Derrill Vivian de Heer (37643) who served with the Royal Australian Infantry Corps. He was in Vietnam with 8th Battalion, the Royal Australian Regiment from Nov 1969 to April 1970, 1st Psychological Operations Unit from April 1970 to November 1970 and 4th Battalion, The Royal Australian Regiment from September 1971 to December 1971.A Copy of The Viet Cong Easter Offensive, Phuoc Tuy Province, South Vietnam, April - June 1972 by Derrill de Heersgt derril vivian de heer, 37643, royal australian infantry corps, 8th battalion, the royal australian regiment, 1st psychological operations unit, 4th battalion, the easter offensive, phuoc tuy province, president nixon, president nguyen van thieu, us ambassador ellsworth bunker, nui dat, vung tau, 1st australian task force, battle of nui le, 274 vc regiments, 33 nva regiment, d445 battalion (nva/vietcong), arvn, nva, dong khoi operation, 74th north vietnamese army (nva), 4 rar/nz (anzac), baria, long kanh province, galia rubber plantation, binh ba, lt col bich - province chief, xuyen moc, 5th ranger group - south vietnamese, long le district village, hoa long

A collection of letters from Phuoc Tuyde heer, derrill. -- operation wandering souls project., hall, bob. -- operation wandering souls project, vietnam war, 1961-1975 -- veterans -- australia, unsw canberra -- operation wandering souls project, phuoc tuy, sgt derril vivian de heer, 39643, royal australian infantry corps, 8th battalion, the royal australian regiment, 1st psychological operations unit