3rd Ranger Battalion Oval w/ Line Bronze Army Challenge Coin NASA/Space 2nd Armored Division 17th Engineer

2nd Armored Division 17th Engineer Battalion Army Challenge Coin

some 600 members of the unit work rotating shifts 24-7 in an "ultramodern" space at the center of the base called the Remote Operations Center (ROC)

This is the same coin

infrared and low-light modes

This patch is from the Vietnam War era

3rd Ranger Battalion Oval w/ Line Bronze Army Challenge Coin NASA/Space 2nd Armored Division 17th Engineer3rd Ranger Battalion Oval w Line Bronze Army Challenge Coin Condition: Used, and in good shape. Please see pictures. This coin is 1 1 2 inches in diameter. The oval w line through it were given to dignitaries, guest, and or trades with other military members. The oval is where they would engrave a serial number were for actual 3rd Ranger BN member, and the oval w line through it prevents stolen valor. NOTE: This Army Ranger challenge coin is an actual