Image 0 of 18The Arleigh Burke-class guided-missile destroyer USS Carney (DDG 64) transits the Black Sea, Aug. 22, 2018. Carney, forward-deployed to Rota, Spain, is on its fifth patrol in the U.S. 6th Fleet area of operations in support of regional allies and partners as well as U.S. national security interests in Europe and Africa. (MC1 Ryan U. Kledzik/Navy) Marines with Task Force Southwest set up an M121 120 mm mortar system during a security patrol near Bost Airfield. The patrol allowed Marines to assist the Afghan National Defense and Security Forces through the use of mortar illumination rounds, enabling the ANDSF to continue to provide security and conduct combat operations in Helmand province. (Sgt. Sean J. Berry/Marine Corps) Marine 1st Sgt. Mauricio Grande, company First Sergeant of Kilo Company, Battalion Landing Team 3/1, 13th Marine Expeditionary Unit (MEU), bites into a cooked snake during Cooperation Afloat Readiness And Training (CARAT) Indonesia 2018. (Cpl. Danny Gonzalez/Marine Corps) Valerie Nessel, holds up the Medal of Honor, during a ceremony on Aug. 22, 2018 at the White House where President Donald Trump awarded the Medal of Honor posthumously to her husband, Air Force Combat controller Technical Sgt. John Chapman. She was joined on stage by their two daughters Brianna & Madison, and his mother, Terry Chapman. (Alan Lessig/Staff) Army Pvt. Samuel Chase, assigned to Alpha Company, 2nd Battalion, 5th Cavalry Regiment, 1st Armored Brigade Combat Team, 1st Cavalry Division, fires an M4 carbine during a Table XII live fire exercise, Novo Selo Training Area, Bulgaria, August 24, 2018. This exercise is in support of Atlantic Resolve, an enduring training exercise between NATO and U.S. Forces. (Sgt. Jamar Marcel Pugh/ Army National Guard) Army Reserve Spc. Alex Thompson, 376th Engineer Firefighter Detachment, crawls through a tube for confined space familiarization training during Combat Support Training Exercise (CSTX) 86-18-02 at Fort McCoy, Wis., August 13, 2018. (Spc. John Russell/Army) Marines with Lima Company, Battalion Landing Team 3/1, 13th Marine Expeditionary Unit (MEU), fast-rope out of an MV-22B Osprey, Marine Medium Tiltrotor Squadron 166 Reinforced, 13th MEU, during sustainment training exercise, July 21, 2018 in Hawaii. (Cpl. A. J. Van Fredenberg/Marine Corps) Sgt. Derek Levi, MV22 crew chief, Marine Medium Tilt Rotor Squadron, Marine Aircraft Group 16, 3rd Marine Aircraft Wing looks over the landscape of Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., during an aerial flight formation exercise August 12, 2018. “I get to see the world from the sky,” said Sgt. Derek Levi, MV22 crew chief, Marine Medium Tilt Rotor Squadron, Marine Aircraft Group 16, 3rd Marine Aircraft Wing. (Lance Cpl. Rachel K. Young/Marine Corps) A missing man formation flies over the Air Force Memorial on Aug. 24, 2018, during a Medal of Honor unveiling ceremony for Air Force combat controller Technical Sgt. John Chapman, who was posthumously awarded the Medal of Honor. (Alan Lessig/Staff) Hundreds of Airmen did pushups in honor of Air Force combat controller Technical Sgt. John Chapman after a Medal of Honor unveiling ceremony at the Air Force Memorial. Chapman, who was posthumously awarded the Medal of Honor. (Alan Lessig/Staff) Runners get sprayed with colored powder during the 1st Battalion, 3rd Marine Regiment (1/3) 5K Color Dash, aboard Marine Corps Base Hawaii, Aug. 18, 2018. U.S. Marines with 1/3, held a 5K Color Dash where volunteers showered racers with colored powder while also giving participants a scenic route near Fort Hase Beach. (Sgt. Aaron S. Patterson/Marine Corps) Seaman Emma Hoernline, far left, and Seaman Ashley Watson, middle right, assigned to USS Constitution, assist chief petty officer selectees Construction Mechanic 1st Class Mario PadillaCruz, middle left, and Electrician’s Mate 1st Class Tho Nguyen, far right, while furling USS Constitution’s main topsail during Chief Petty Officer (CPO) Heritage Week. CPO Heritage Week is a week dedicated to mentoring the Navy's newest chiefs through naval history and heritage training aboard America's Ship of State, USS Constitution. (MC3 Casey Scoular/Navy) A military veteran pays his respects at the entrance to the Sen. John McCain's ranch complex in Cornville, Ariz., Saturday, Aug. 25, 2018. Sen. McCain, the war hero 2008 presidential candidate, passed away Saturday after a battle with brain cancer. (AP Photo/Ross D. Franklin) A Coast Guard members face emerges from the frigid water while competing in the survival swim relay during the Buoy Tender Roundup Olympics in Juneau, Alaska, Aug. 22, 2018. Crews aboard Coast Guard buoy tenders in Alaska service 1,350 navigational aids along 33,000 miles of coastline while actively participating in search and rescue, environmental protection and law enforcement missions. (Petty Officer 1st Class Jon-Paul Rios/Coast Guard) Airman 1st Class Cassandra Herlache, 9th Operation Support Squadron radar, airfield and weather apprentice, executes a climb during a trial run at Beale Air Force Base, Calif., Aug. 16, 2018. Airmen in the process of climbing must have three points of physical contact with the tower at all times. (Senior Airman Justin Parsons/Air Force) Guardsman with the Louisiana National Guard's 139th Regional Support Group receives his first kiss, at Camp Beauregard in Pineville, Louisiana, after returning from a nine-month deployment to Iraq in support of Operation Inherent Resolve, August 22, 2018. (Sgt. Noshoba Davis/Army National Guard) Interior Communications Electrician 3rd Class Kenya Rocha observes land as the Whidbey Island-Class Dock Landing Ship USS Gunston Hall (LSD 44) pulls in to Santa Marta, Colombia for a scheduled port visit. (MC3 Colbey Livingston/Navy) West Virginia Army National Guard Sgt. Brandon Garner is a litter attendant being pulled up a telpher line during Army Interagency Training Education Center rope rescue course from August 19-25 at Hobet mine site in Julian, West Virginia. (Spc. Brianna Lawrence/U.S. Army National Guard)