U.S. Air Force Airman 1st Class Cory Kalin, a nondestructive inspection specialist with the 177th Aircraft Maintenance Squadron, New Jersey Air National Guard, sprays down a piece of metal during a test June 18, 2014, at Atlantic City Air National Guard Base, N.J. (DoD photo by Tech. Sgt. Matt Hecht, U.S. Air National Guard/Released).
Original public domain image from Flickr