Members of the 436th Civil Engineer Squadron, Heating Ventilation and Air Conditioning, and Horizontal Shops, install one of two 60-ton air conditioning chillers for Building 520 Feb. 15, 2013, Dover Air Force Base, Del. Old chillers using R-22 refrigerant were removed and replaced with the new chillers, which use environmental-friendly R-410A refrigerant that does not contribute to ozone depletion. (U.S. Air Force photo/Roland Balik)
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.