Official websites use .mil
Secure .mil websites use HTTPS
From left, Capt. Brian Gatzke, a test engineer with the Propulsion Test Branch of Arnold Engineering Development Complex; Theron Price, a doctoral student at the University of Tennessee Space Institute (UTSI); Dr. Phil Kreth, an assistant professor with UTSI; Terry Hayes, vice president and chief technical officer of Non-Contact Technologies, LLC, (NCT); and Marc Dennis, a test and assembly engineer with NCT, stand next to a focused laser differential interferometry (FLDI) setup at UTSI within the confines of Arnold Air Force Base, Tenn., Dec. 15, 2021. FLDI is being developed by UTSI and NCT for collecting data about exhaust plumes through the Small Business Technology Transfer program. (U.S. Air Force photo by Jill Pickett)
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.