The Australian War Memorial Collection. Test site
South Vietnam. August 1971. Staff Sergeant Wayne Wells of O'Connor, ACT, a member of the 1st Australian Task Force (1ATF) Intelligence Staff, this box of tricks holds the key to electronic disclosure of the enemy. It's an Aerial Personnel Detector (APD XM3 people sniffer) which, riding aloft in a RAAF or Army helicopter, analyses the smells drifting up from the jungle below. Human presence can often be disseminated from the results.
In South Vietnam these days Australians are using one of the World's most modern and scientific methods of detecting the enemy's whereabouts. Gone are the days when following jungle tracks and watchin