Airman 1st Class Nathan Rodriguez, 363rd Training Squadron student, prep a BRU-57/A sub-rack for removal at Sheppard Air Force base, Texas, Nov 17. The sub-rack allows the pylon to hold two munitions that can weigh up to 1,000 pound each, instead of just one. Rodriguez is on block eight of 12 and are scheduled to graduate on Jan. 3, 2018.