From left, U.S. Air Force Airman 1st Class Jarrod Palileo and Senior Airman Jeremy Phipps, both with the 4th Fighter Wing Honor Guard, lower and salute a U.S. flag during a retreat ceremony April 2, 2014, at Seymour Johnson Air Force Base, N.C. Retreat is a military tradition that signaled the end of the duty day and paid respect to the flag.
(DoD photo by Airman 1st Class Brittain Crolley, U.S. Air Force /Released). Original public domain image from Flickr