Naval Special Warfare Unit Four / NSWU-4 Homestead Florida SEAL Navy Challenge Coin Defense Contractor 4 3/8 inch (approx) Army

4 3/8 inch (approx) Army Air Corps Patch

and a position for launching Stinger shoulder-fired SAMs

National Reconnaissance Office NRO 2004 Center for the Study of National Reconnaissance Challenge Coin

90 days into the offensive General McChrystal famously referred to it as a "bleeding ulcer"

Scandal and Trial information from Wikipedia:

Naval Special Warfare Unit Four / NSWU-4 Homestead Florida SEAL Navy Challenge Coin Defense Contractor 4 3/8 inch (approx) ArmyThis coin is 1 3 4 inches in diameter. Naval Special Warfare Unit 4, was a geographical located SEAL unit stationed with the US Southern Command left Roosevelt Roads, Puerto Rico in 2003. Re activated in 2016 in Homestead, Florida.