Image 0 of 4Soldiers conduct training at the French Notch area in Djibouti, Nov. 11, 2017. The soldiers are assigned to Combined Joint Task Force Horn of Africa's East African Response Force. (Senior Airman Erin Piazza/Air Force) An F-16 Fighting Falcon from Nellis Air Force Base, Nev., soars over Las Vegas Nov. 9, 2017. The Fighting Falcon features a "Vegas Strong" paint scheme which pays tribute to those affected by the Route 91 Harvest Festival shooting and honors the resiliency of the Las Vegas community. (Tech. Sgt. Christopher Boitz/Air Force) Aviation Boatswain’s Mate (Handling) 3rd Class Vincent Sanchez directs the pilot of an F/A-18C Hornet from the “Blue Blasters” of Strike Fighter Squadron (VFA) 34 on the Nimitz-class aircraft carrier USS Carl Vinson flight deck. Carl Vinson is participating in a sustainment training exercise in preparation for an upcoming deployment. (MC2 Sean M. Castellano/Navy) The aircraft carriers USS Ronald Reagan, USS Theodore Roosevelt and USS Nimitz transit the western Pacific. The strike groups are underway and conducting operations in international waters as part of a three-carrier strike force exercise. (MC3 Anthony J. Rivera/Navy)