Marine Cpl. Katelynne Eber, a UH-1Y Venom helicopter crew chief with Marine Light Attack Helicopter Squadron 169, 1st Marine Aircraft Wing, scans the horizon while flying over Okinawa, Japan, Sept 29. (Lance Cpl. Justin J. Marty/Marine Corps)
Soldiers assigned to Attack Battery, 2-12th Field Artillery Battalion, Task Force Rock, 1st Stryker Brigade Combat Team, 4th Infantry Division, conduct registration and calibration for the M777-A2 howitzer in Syria Sept. 30. (Cpl. Isaiah Scott/Army)
An F-15E Strike Eagle is prepped to take off at Seymour Johnson Air Force Base, N.C., Oct. 4. The 336th Fighter Squadron is deploying jets to Larissa Air Base, Greece, in support of operation Castle Forge. (Senior Airman David Lynn/Air Force)
The U.S. Navy aircraft carriers Carl Vinson (CVN 70) and Ronald Reagan transit the Philippine Sea Oct. 3. The integrated at-sea operations brought together more than 15,000 sailors from six nations. (MC2 Michael B. Jarmiolowski/Navy)
Leaders of the 23rd Wing inspect an A-10 Thunderbolt II aircraft during the Top Tiger competition at Moody Air Force Base, Ga., Sept. 30. Five dedicated crew chiefs and assistant DCC teams, along with their respective aircraft, competed against one another to showcase their aircraft, professionalism and knowledge. (Staff Sgt. Melanie A. Bulow-Gonterman/Air Force)
Marine Lance Cpl. Jacob Ucinski, a rifleman with Charlie Company, Battalion Landing Team 1/1, 11th Marine Expeditionary Unit, sets security during a tactical recovery of aircraft and personnel exercise Sept. 28 in Kuwait. The Essex Amphibious Ready Group is deployed to U.S. 5th Fleet. (Sgt. Jennessa Davey/Marine Corps)
Officer Candidate School students perform planks during a physical fitness assessment at Officer Training Command Newport, R.I., Sept. 27. (Officer Candidate Keyonnia Cook)/Navy
An airman from the 2nd Munitions Squadron assembles a munition for the Air Force Global Strike Challenge at Barksdale Air Force Base, La., Sept. 21. (Airman 1st Class William Pugh/Air Force)
Paratroopers from the 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, board an Army Ch-47 Chinook helicopter during an operation at Joint Base Elmendorf-Richardson, Alaska, Oct. 5. (Alejandro Peña/Air Force)
Firefighters and sailors of the littoral combat ship Detroit respond to simulated fires during an integrated training team fire drill at Naval Station Mayport, Fla. (MC3 Aaron Lau/Navy)
