Official websites use .mil
Secure .mil websites use HTTPS
Mary Keen, center, a facility modeling engineer, explains how Arnold Engineering Development Complex test facility operations are simulated in the Range Systems Support Lab to Maj. Gen. Evan Dertien, commander, Air Force Test Center, during Dertien's visit to Arnold Air Force Base, Oct. 14, 2021. Also pictured, from left, are Col. Robert Lance, director of the Test Support Division, and Scott Howard, Test Information Systems Section chief. (U.S. Air Force photo by Jill Pickett) (This image has been altered by obscuring screens and papers for security purposes.)
24.0-70.0 mm f/2.8
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
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.