These mine detectors were made in the U.S.A. roughly 1967-1973. They were designated as portable transistorized metallic mine detectors.1. Case Aluminum, 2 piece drab olive, 8 strong retaining clips. 2. Detector Assy, and accessories. - Coil head, - Electronics box, - Ear phones and ear plugs, - Spare electronic modules, red, white, black, - Handle - extendable with controls, - cables. Electronics box has metallic label = model P.158. Serial 8407 etc - US Army. Case has transfer type labels: - “Detecting set mine, Portable metallic FSN 6665-966-7071 PO No. 3295” “Polar Industries Inc. Model P-158” Handle base has “8407” in Texta colour and metallic label, case carrying. “MFR name zero MFG 6” Part No. DZ136 - The lid has U.S. Property stamped on it. The NR 8407 is written on it in Texta.vietnam war, mine warfare, engineer mine clearance

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 an Engineer 'Tunnel Rat' wearing a flack jacket enters a tunnel found leading into the Long Hai Hills during land and mine clearance operations in July 1969. The Engineers were under the protection of D coy 6 RAR/NZ (ANZAC), artillery, Mortar and Naval gunfire.photograph, tunnel rats, d coy, long hai hills, gibbons collection catalogue, artillery, mortars, gunfire, engineers, 6 rar/nz (anzac), denis gibbons