Gregory Etter, U.S. Army Corps of Engineers Petroleum, Oil and Lubricants Mandatory Center of Expertise program manager, provides a tour of fueling systems to University of Nebraska at Lincoln students Aug. 23, 2019, at Offutt Air Force Base, Nebraska. During the tour students gained insight to real-world examples of what their future careers may be. (U.S. Air Force photo by Kendra Williams)
CAMERA
NIKON D610
LENS
24.0-70.0 mm f/2.8
APERTURE
45/10
SHUTTERSPEED
10/1250
ISO
640
No camera details available.
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