Senior Airman Kristian Martinez-felix, a 319th Civil Engineer Squadron heating, ventilation, air conditioning and refrigeration apprentice unscrews a water boiler June 20, 2018, on Grand Forks Air Force Base, North Dakota. Martinez-Felix unscrews the water boiler so that he can see if it has possible overflow or needs cleaning. (U.S. Air Force photo by Airman 1st Class Melody Wolff)
CAMERA
N/A
LENS
APERTURE
SHUTTERSPEED
ISO
No camera details available.
This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.