427th Special Operations Squadron Covert AVTEG Tier-1 JSOC Air Force Challenge Coin Challenge Coin 51st Fighter Wing Osan AB

51st Fighter Wing Osan AB

[10] The site and buildings have uneven surfaces

1 3/16 x 2 inch Challenge Coin

Circa 1991

427th Special Operations Squadron Covert AVTEG Tier-1 JSOC Air Force Challenge Coin Challenge Coin 51st Fighter Wing Osan ABThis coin is 2 inches in diameter. Part of Aviation Tactics and Evaluation (AVTEG), thus a Tier 1. The 427th Special Operations Squadron (427th SOS) is a specialized, covert unit of the United States Air Force. After reporter Andreas Parsch filed a Freedom of Information Act request, the Air Force told him the unit "support[s] training requirements for infiltration and exfiltration." That is, it prepares troops for secretly slipping into and out of