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.





U.S. Air Force Tech. Sgt. Kristi Gillespie, 23d Aerospace Medicine Squadron NCO in charge of occupational health, uses a microscope to look at magnesium chloride, a substance used in salt water aquariums, at Moody Air Force Base, Ga., May 29, 2014. Bioenvironmental Airmen use the powder for training purposes, although this type of training is generally done at the U.S. Air Force School of Aerospace Medicine level. (U.S. Air Force photo by Senior Airman Tiffany M. Grigg/Released)

PHOTO BY: Senior Airman Tiffany M. GriggReleased
VIRIN: 140529-F-HA304-045.JPG
Additional Details

No camera details available.


Read More

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.