Original U.S. Vietnam War Era AN/PRC-90 Rescue Radio - Pilot Survival Radio EXCLUDE_CHECKOUT_RESTRICTION A black powder charge was

A black powder charge was inserted into the breech and fired by a percussion cap to propel the AZh-2 glass ampule

Overall Length: 41 Inches

81mm and 4

The reverse of the box has the entire belt and shoulder strap loops still intact

Due to the Japanese attack on Pearl Harbor on 7 December 1941

Original U.S. Vietnam War Era AN/PRC-90 Rescue Radio - Pilot Survival Radio EXCLUDE_CHECKOUT_RESTRICTION A black powder charge wasOriginal Item: Only One Available. The use of radio to aid in rescuing survivors of accidents at sea came to the forefront after the sinking of the RMS Titanic in 1912. Lifeboats were equipped with spark gap transmitters such as the Marconi Type 241, c. 1920. These operated using Morse code on 500 kHz, the international distress frequency at the time. This frequency had the advantage of long range due to ground wave propagation and was constantly