Members of the 3rd Infantry Regiment – Commander-in-Chief’s Guard, from Joint Base Myer-Henderson Hall at Fort Myer, Va., stand in a defensive formation during the Revolutionary War as part of the annual Yorktown Day celebration, in Yorktown, Va., Oct. 19, 2014. The regiment’s fife and drum corps also preformed during the events. (U.S. Air Force photo by Airman 1st Class Kimberly Nagle/ Released)