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Staff Sgt. Tamerick McGhee (center) and Staff Sgt. Trevor Krcil (left), 366th Training Squadron HVAC/R craftsman course students, ensure a ventilation system is properly regulating heat and cool air at Sheppard Air Force Base, Texas, Aug. 14, 2019. Upon completing their 5-level certifications, HVAC technicians worldwide return to Sheppard to continue their job development and achieve their 7-level certification. (U.S. Air Force photo by Senior Airman Ilyana A. Escalona)
CAMERA
NIKON D810
LENS
24.0-70.0 mm f/2.8
APERTURE
45/10
SHUTTERSPEED
1/100
ISO
1000
No camera details available.
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