Medina Regional SIGINT Operations Center RSOC Military NSA Challenge Coin Air Force This coin was acquired from

This coin was acquired from a Navy veteran

ODA 583 from Bravo Company

Piasecki said

We acquired some of these coins from Don Phillip's collection and are selling these mint 1990s rare 5th Ranger Battalions coins

Original 1980s

Medina Regional SIGINT Operations Center RSOC Military NSA Challenge Coin Air Force This coin was acquired fromMedina Regional SIGINT (Signal Intelligence) Operations Center RSOC Military National Secuirty Agency NSA Challenge Coin Condition: Used, but in good shape. Please see pictures. This coin is 1 5 8 inches in diameter. The United States National Security Agency has a satellite campus at the Medina Annex, Lackland Air Force Base, San Antonio, Texas, which some in the media have called the Texas Cryptology Center. It is adjacent to the former Medina