Staff Sgt. Barry Lewis, 363rd Training Squadron instructor, observes members of his class connecting transport cables to a GBU 39 for transport at Sheppard Air Force Base, Texas, Dec. 1. Lewis’ class is in block six of seven in the aircraft armament apprentice course and is scheduled to graduate Dec. 13, 2017. (U.S. Air Force photo by Alan R. Quevy)
Airman 1st Class Timothy Gantenbein, 364th Training Squadron student in the hydraulic systems apprentice course, runs the hydraulic test stand (Mule) at Sheppard Air Force Base, Texas, Nov 20. The Mule is used to send hydraulic pressure to aircraft without needing to run the engines. (U.S. Air Force photo by Alan R. Quevy)
Airmen Dillon Weiser and Anson Dewett and Senior Airman James Siverton, 366th Training Squadron water and fuels systems maintenance apprentice students, guide the top of a mobile shower-shave unit at Sheppard Air Force Base, Texas, Dec. 1, 2017. Mobile shower-shave units are used during emergencies, natural disasters and in deployed locations. (U.S. Air Force photo by Alan R. Quevy)
Tech. Sgt. Paul Knowles, 366th Training Squadron water and fuels systems maintenance apprentice instructor explains to his class how to assemble mobile shower-shave units at Sheppard Air Force Base, Texas, Dec. 1, 2017. Mobile shower-shave units are used during emergencies, natural disasters and in deployed locations. (U.S. Air Force photo by Alan R. Quevy)
Airman Kyle Jensen, 362nd Training Squadron crew chief apprentice student, reads through the technical order manual as Airman 1st Class Cory Ramsey adjusts the roll trim on the A7 flight control trainer with at Sheppard Air Force Base, Texas, Dec. 1. The roll trim is used to make minor adjustments during flight to compensate for weight balance. (U.S. Air Force photo by Alan R. Quevy)
Airmen Calvin Prys and David Schmidt, 363rd Training Squadron aircraft armament apprentice students, stabilize a GBU39 as it is lowered to a transport trailer while Airman Joseph Caruso guides and directs the forklift driver at Sheppard Air Force Base, Texas, Dec. 1, 2017. Prys, Schmidt and Caruso are in block six of seven in the aircraft armament apprentice course and are scheduled to graduate Dec. 13. (U.S. Air Force photo by Alan R. Quevy)
Airman Christopher Rines, 364th Training Squadron student, safety wires an air servicing valve on a T-38 shock strut at Sheppard Air Force Base, Texas, Dec. 5. Rines is in block six of eight of the aircraft hydraulic apprentice course and is scheduled to graduate Dec. 21, 2017. (U.S. Air Force photo by Alan R. Quevy)
Airman Luis Alonzo, 362nd Training Squadron student, installs an accessary drive gear box oil filter on an F16 Fighting Falcon at Sheppard Air Force Base, Texas, Dec. 5. Luis is in block six of nine of the F16 crew chief apprentice course. (U.S. Air Force photo by Alan R. Quevy)
Airmen Trevor Tefft and Nicholas Encarnacion, 362nd Training Squadron students, check the resting hook for damage during a pre-flight inspection of an F16 Fighting Falcon at Sheppard Air Force Base, Texas, Dec. 5. Tefft and Encharnacion are in block six of nine of the F16 crew chief apprentice course. (U.S. Air Force photo by Alan R. Quevy)
Senior Airman John Hopkins, 362nd Training Squadron student, finishes installing a tire on the nose wheel drive assembly on a F-16 Fighting Falcon at Sheppard Air Force Base, Texas, Dec 5. Hopkins is in block eight of nine in the F16 crew chief apprentice course and is scheduled to graduate Jan. 5, 2018 (U.S. Air Force photo by Alan R. Quevy)
Airman Timmothy Anaya, 362nd Training Squadron student, installs a tire on the main landing gear of an F16 Fighting Falcon at Sheppard Air Force Base, Texas, Dec. 5. Anaya is in block eight of nine in the F16 crew chief apprentice course and is scheduled to graduate Jan. 5, 2018 (U.S. Air Force photo by Alan R. Quevy)
Staff Sgt. Richard Dougherty, 80th Operation Support Squadron weather forecaster, uses a kestrel to take a manual weather observation at Sheppard Air Force Base, Texas, Dec. 6. The kestrel is used for weather readings when the main weather equipment is down (U.S. Air Force photo by Alan R. Quevy)
Airman 1st Class Joseph Miele, 80 Operation Support Squadron weather systems technician demonstrates climbs the radar tower at Sheppard Air Force Base, Texas, Dec. 6. This method is used in emergency situations to assist Airmen off the tower, gather and transport equipment for maintenance when the radar is down. (U.S. Air Force photo by Alan R. Quevy)
Senior Airman Daniel Palmer, 80th Operation Support Squadron aircrew flight equipment technician assembles an MBU-20 flight mask at Sheppard Air Force Base, Texas, Dec. 6. The flight mask is part of the helmet assembly and used by pilots during flight. (U.S. Air Force photo by Alan R. Quevy)
Senior Airman Austin Jackson, 80th Operation Support Squadron weather forecaster briefs 2nd Lieutenant Calvin Boerwinkle, 80th OSS officer, on the movement of a cold-front in the area at Sheppard Air Force Base, Texas, Dec 6. Boerwinkle awaits his start date for pilot training. (U.S. Air Force photo by Alan R. Quevy)