Official websites use .mil
Secure .mil websites use HTTPS
Brian Jarvis, U.S. Air Forces Central Command Energy Manager, along with Robert DeRuyter, 379th Expeditionary Civil Engineering Squadron air conditioning service technician, check instrumentation hooked up to a chiller at an undisclosed location in Southwest Asia on Sept. 29, 2011. Jarvis is trying to determine at what level of use the air conditioning units will run most efficiently. (U.S. Air Force photo by Master Sergeant Gary J. Rihn)
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.