Helicopter Combat Support Squadron FOUR HC-4 Sigonella Italy Black Stallions Silver Navy Challenge Coin Key Chain with a mission of cryptology

with a mission of cryptology and communications security

193rd Infantry Brigade 187th Airborne Infantry 2nd Battalion Alpha Company Moatgators Army Challenge Coin

The JMP coin was made in the US

primarily due to the fielding of the F-22 Raptor

Helicopter Combat Support Squadron FOUR HC-4 Sigonella Italy Black Stallions Silver Navy Challenge Coin Key Chain with a mission of cryptologyThis coin is approximately 1 1 2 inches in diameter and in good shape. It is marked . 999 Fine 1 once Silver. Helicopter Combat Support Squadron FOUR (HC 4) was a United States Navy helicopter squadron based at Naval Air Station Norfolk, Virginia. Nicknamed the "Black Stallions", they flew the Sikorsky CH 53E Super Stallion and MH 53E Sea Dragon[2] helicopters.[3] The Black Stallions were established on May 6, 1983 as a heavy lift combat support