Marine Corps recruit Mitchell L.Hoover shouts orders to his squad during the final challenge of recruit training, known as the Crucible, at Marine Corps Recruit Depot Parris Island, S.C., Oct. 13, 2017. Marine Corps photo by Cpl. Joseph Jacob
A service member jumps from a Navy MH-53E Sea Dragon during a mine warfare training event that U.S. and South Korean explosive ordnance disposal divers are conducting in Busan, South Korea, Oct. 19, 2017. Navy photo by Seaman William Carlisle
Coast Guard personnel give water to a horse they found tied up and left in the heat in Islote, Puerto Rico, Oct. 19, 2017, while supporting Hurricane Maria relief efforts. Coast Guard photo by Petty Officer 1st Class Jon-Paul Rios
Navy Petty Officer 3rd Class Kaley Bitz teaches a fellow sailor how to give a flu vaccine during a command immunization at Polaris Point, Guam, Oct. 20, 2017. Bitz is a hospital corpsman. Navy photo by Petty Officer 1st Class Jamica Johnson
Two U.S. Air Force Academy cadets, both members of the academy’s falconry program, prepare to release their raptors at the academy in Colorado Springs, Colo., Oct. 12, 2017. Air Force photo by Senior Airman Clayton Cupit
Army Sgts. Luis Ruiz, left, and Jonathan Quinonez work with an augur to dig a hole for a power pole in Rio Grande, Puerto Rico, Oct. 19, 2017, while supporting Hurricane Maria relief efforts. Air Force photo by Master Sgt. Joshua L. DeMotts
An airman embraces a family member at Royal Air Force Lakenheath, England, Oct. 11, 2017, upon returning from a deployment. The airman is assigned to the 48th Fighter Wing. Air Force photo by Airman 1st Class Eli Chevalier