No. 1 Wireless Unit RAAF

He was assisted by Captain H. Brown, US Army, and four US Air Force sergeants who were experienced in Sigint and who had escaped to Australia from the Philippines.

They set up two intercept radios (Kingsley AR7's on the top floor of the "Camera Obscura" building at the RAAF Darwin airfield.

The RAAF Kana operators in Darwin intercepted many important transmissions leading up to the attack on Pearl Harbor.

Orders were sent from Melbourne for the four healthy Kana operators in Darwin to disperse to civilian radio stations across the northern parts of Australia as follows:-.

The Rapide was attacked while landing at Wyndham airfield by a flight of Japanese Zeros during the first enemy air raid on the town on 3 March 1942.

A group of nine "Betty" bombers then bombed the Wyndham airfield leaving a number of large mud holes in the runway.

He had departed Wyndham airfield just prior to the Japanese air raid in a Lockheed 10A piloted by Jimmy Wood.

They landed at Broome in Western Australia about 30 minutes after a very large Japanese bombing raid on the town in which at least 70 people were killed.

Then on 7 March 1942, a top secret small RAAF Intercept Station was set up in 2 houses at Pimlico in Townsville under Wing Commander Booth.

1 Wireless Unit and then became part of General Douglas MacArthur's new joint American-Australian Sigint organisation called Central Bureau in Ascot, Brisbane.