The one and only XC-99 cranks ’em up. thejivebombers US Air Force February 4, 2018April 20, 2020 1 Minute The arrowhead insignia is that of the “San Antonio Air Material Area”. Share this:TwitterFacebookLike this:Like Loading... Related Published by thejivebombers View all posts by thejivebombers Published February 4, 2018April 20, 2020