ACA Fighter crews are inspected by the 1st Air Force inspection team from Tyndall AFB, FL with the purpose to assess the procedures and execution of the North American Aerospace Defense mission for ACA-trained units, ensuring they remain qualified to carry out the Homeland Defense mission. This is the Orange/Blue version of the 169 ‘ACA’ Swamp Fox squadron patch which shows two F-16 Vipers on the patch and does not have velcro attached.