An official website of the United States government
Here's how you know
A .mil website belongs to an official U.S. Department of Defense organization in the United States.
A lock (lock ) or https:// means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.

Photos

Black box sheds light on night vision challenges for aircrew students
A collaborative effort of the 502nd Trainer Development Squadron and Air Education and Training Command Aerospace Physiology Lead Command, the unaided night vision trainer, also known as an NV light bar, demonstrates how dark adaptation and various types of lighting enhance unaided night vision. (U.S. Air Force courtesy photo)

Download Image: Full Size (1.83 MB)
Tags:
Photo by: Courtesy photo |  VIRIN: 200603-F-XX999-0001.JPG