Airman 1st Class Raliegh Mercer, 82nd Security Forces Squadron entry controller, checks an identification card at the main gate at Sheppard Air Force Base, Texas, Feb. 23, 2018. Sheppard opened back up for business after being closed for two duty days after a winter storm dumped sleet and freezing rain over North Texas, causing dangerous roadways for motorists. (U.S. Air Force photo by Alan R. Quevy)
Motorists take it easy as they head to work or appointments at Sheppard Air Force Base, Texas, Feb. 23, 2018. The base reopened for business after being closed for two duty days due to inclement weather. Sheets of ice produced from the wintry weather prompted base leadership to close the installation in the interest of safety with the exception of essential personnel . (U.S. Air Force photo by Alan R. Quevy)
A group of Airmen in a small marching unit from the 362nd Training Squadron march to lunch in frigid temperatures at Sheppard Air Force base, Texas, Feb. 23, 2018. SMU’s are used for groups of three to 11 Airmen typically led by the highest ranking Airman. (U.S. Air Force photo by Alan R. Quevy)
The remnants of a snowman slowly melts away as temperatures inched above freezing at Sheppard Air Force Base re-opened Feb. 23, 2018. A winter system shut down the North Texas base for Feb. 21-22 as ice coated streets and walkways, making them impassable. (U.S. Air Force photo by Alan R. Quevy)
Airman 1st Class Britainy Schmid, 364th Training Squadron hydraulic apprentice course student, inspects a booster pack for damage on a C-130 Hercules at Sheppard Air Force Base, Texas, Feb. 13, 2018. The booster pack powers the ailerons on the aircraft. Schmid is in block four of eight and scheduled to graduate March 21. (U.S. Air Force photo by Alan R. Quevy)
Staff Sgt. Dennis Neville (right), 362nd Training Squadron instructor, observes his class removing a tire from a C-130 Hercules with a wheel dolly at Sheppard Air Force Base, Texas, Feb. 14, 2018. The wheel dolly is the preferred method of removing and installing the main landing gear tire. Neville’s class is in block six of 10 in the crew chief apprentice course and scheduled to graduate March 23. (U.S. Air Force photo by Alan R. Quevy)
Airman Austin Woodruff, 364th Training Squadron hydraulic apprentice course student, inspects the safety wire on the landing gear selector valve on a C-130 Hercules at Sheppard Air Force Base, Texas, Feb. 13, 2018. The landing gear selector valve directs hydraulic fluid into and out of the landing gear. Woodruff is in block four of eight and scheduled to graduate March 21. (U.S. Air Force photo by Alan R. Quevy)
Airman 1st Class Vanessa Pauly, 362nd Training Squadron crew chief apprentice course student, grounds a C-130 Hercules, a procedure done for expected high winds and inclement weather, at Sheppard Air Force Base, Texas, Feb. 13, 2018. Pauly is in block six of 10 and scheduled to graduate March 23. (U.S. Air Force photo by Alan R. Quevy)
Airman Thomas Virrston, 364th Training Squadron hydraulic apprentice course student, inspects the hydraulic lines on the right main landing gear of a C-130 Hercules at Sheppard Air Force Base, Texas, Feb. 13, 2018. Virrston is in block four of eight and scheduled to graduate March 21. (U.S. Air Force photo by Alan R. Quevy)
Airman 1st Class Benjamin Dippel, 362nd Training Squadron crew chief apprentice course student, shows classmates how to ground a C-130 Hercules during high winds and inclement weather at Sheppard Air Force Base, Texas, Feb. 13, 2018. Dipple is in block six of 10 and scheduled to graduate March 23. (U.S. Air Force photo by Alan R. Quevy)