Soldier Talking Into Transmitter on War Scene

Specialist 4th Class Stephen Haskins from Odon, Indiana, a Radio Repairman with the 101st Airborne Division, (Air Mobile) tests an AN/PRC 77 radio transmitter here. A Huey helicopter lifts off the landing pad in the background.

A radio repairman with the 101st Airborne Division (Airmobile) tests a PRC-77 radio transmitter in December 1968. The PRC-77 was an upgrade of the PRC-25 manpack and contained more secure communications equipment. (Bettmann/Corbis Images)

Bettmann/Corbis Images