Airman 1st Class Charles Calland, 361st Training Squadron aerospace propulsion apprentice course student, removes a temperature data amplifier at Sheppard Air Force Base, Texas, Jan. 31, 2018. The temperature data amplifier controls the fuel scheduling on the T-56 engine. Calland is in block six of nine and scheduled to graduate March 13. (U.S. Air Force photo by Alan R. Quevy)
Airman Sean Young, 362nd Training Squadron crew chief apprentice course student, performs a pre-flight-basic post flight inspection on an A-10 Thunderbolt at Sheppard Air Force Base, Texas, Feb. 1, 2018. While the pre-flight check ensures the aircraft is ready for flight, the post-flight inspection is to determine if the aircraft requires any attention or maintenance before the next flight. Young is in block six of six and scheduled to graduate Feb. 7. (U.S. Air Force photo by Alan R. Quevy)
Senior Airman Cari Hendricks, 366th Training Squadron electrical systems apprentice course student, helps balances and guides a utility pole on to a trailer at Sheppard Air Force Base, Texas, Jan. 24, 2018. Hendricks is in block five of six and scheduled to graduate March 8. (U.S. Air Force photo by Alan R. Quevy)
Airman Curtis Hoffman, 361st Training Squadron aerospace propulsion apprentice course student, replaces an integrated drive generator on an aircraft engine at Sheppard Air Force base, Texas, Jan. 31, 2018. The integrated drive generator provides electric power to the aircraft during flight. Hoffman is in block five of five and scheduled to graduate Feb. 8. (U.S. Air Force photo by Alan R. Quevy)
Airman 1st Class Adriel Hernandez-Garcia, Airmen Ian Rawley and Sean Young, 362nd Training Squadron crew chief apprentice course students, perform a pre-flight and basic post-flight inspection on an A-10 Thunderbolt at Sheppard Air Force Base, Texas, Feb. 1, 2018, to see if any part of aircraft is in need of maintenance. Hernandez-Garcia, Rawley and Young are in block six of six and scheduled to graduate Feb. 7. (U.S. Air Force photo by Alan R. Quevy)
Airman Caleb Torain, 361st Training Squadron aerospace propulsion apprentice course student, installs a fan drive turbine on an aircraft engine at Sheppard Air Force Base, Texas, Jan. 31, 2018. The fan drive turbine drives the engine inlet fan during operation. Torain is in block three of seven and scheduled to graduate April 5. (U.S. Air Force photo by Alan R. Quevy)
Petty Officer 2nd Class Christopher Danner, 366th Training Squadron electrical systems instructor demonstrates how to operate the controls of the bucket truck at Sheppard Air Force Base, Texas, Jan. 24, 2018. Danner’s class is in block five of six and scheduled to graduate March 8. (U.S. Air Force photo by Alan R. Quevy)
Airman Christopher Egan, 361st Training Squadron aerospace propulsion apprentice course student, installs a digital electronic engine control on an aircraft engine at Sheppard Air Force Base, Texas, Jan. 31, 2018. The digital electronic engine control is the engine's computer and controls all functions during flight. Egan is in block four of seven and scheduled to graduate March 20. (U.S. Air Force photo by Alan R. Quevy)
Staff Sgt. Christopher Bailey, 362nd Training Squadron instructor, observes Airman 1st Class Brendan Nguyen and Airman Chandler Courson, 362nd TRS crew chief apprentice course students, perform a pre-flight-basic post-flight inspection on an A-10 Thunderbolt at Sheppard Air Force Base, Texas, Feb. 1, 2018. The two inspections are completed to determine if the aircraft is airworthy or in need of maintenance. Nguyen and Courson are in block six of six and scheduled to graduate Feb. 7. (U.S. Air Force photo by Alan R. Quevy)
Petty Officer 2nd Class Christopher Danner, 366th Training Squadron electrical systems instructor, demonstrates how to use proper hand signals while lifting and placing utility poles at Sheppard Air Force Base, Texas, Jan. 24, 2018. Danner’s class is in block five of six and scheduled to graduate March 8. (U.S. Air Force photo by Alan R. Quevy)
Airman 1st Class Alex Wilson, 361st Training Squadron aerospace propulsion apprentice course student, replaces a fuel nozzle on a T-56 engine at Sheppard Air Force Base, Texas, Jan. 31, 2018. Wilson is in block six of nine and scheduled to graduate March 13. (U.S. Air Force photo by Alan R. Quevy)
Airman Steven Borjorquez, 366th Training Squadron electrical systems apprentice course student, practices properly rolling up and storing a hand-line at Sheppard Air Force Base, Texas, Jan. 24, 2018. Borjorquez is in block five of six and scheduled to graduate March 8. (U.S. Air Force photo by Alan R. Quevy)
Airman Daniel Guillen, 361st Training Squadron aerospace propulsion apprentice course student, removes an F-100 generator from an aircraft engine at Sheppard Air Force Base, Texas, Jan. 31, 2018. The F-100 generator provides electric power to the engine during operation. Guillen is in block four of seven and scheduled to graduate March. 20. (U.S. Air Force photo by Alan R. Quevy)
Senior Airman Cari Hendricks, 366th Training Squadron electrical systems apprentice course student, helps balances and guides a utility pole on to a trailer at Sheppard Air Force Base, Texas, Jan. 24, 2018. Trailers provide the most efficient mode of transportation of Utility poles to needed locations. Hendricks is in block five of six and scheduled to graduate March 8. (U.S. Air Force photo by Alan R. Quevy)
Airman Logan Talley, 361st Training Squadron aerospace propulsion apprentice course student, replaces a lube and scavenge pump on an aircraft engine at Sheppard Air Force base, Texas, Jan. 31, 2018. The lube and scavenge pump regulates oil flow to the engine. Talley is in block five of five and scheduled to graduate Feb. 8. (U.S. Air Force photo by Alan R. Quevy)