During World War I and II the US army maintained a unit whose task was the training and use of what, for communication and reconnaissance purposes?
Pigeons The unit was known as the Signal Pigeon Corps.
The initiative for what current unit of the British Army was begun during World War II in 1941 by David Stirling as a commando force operating behind enemy lines during the war in North Africa and Europe?
During World War II the US and UK armies used bodies of, respectively, over 54,000 and 250,000 what, as part of their communication and/or delivery systems?
