From Marines in the Aibano Training Area of Japan to those aboard assault ships at sea, these are 20 of the most influential photos from around the Marine Corps during the month of December.
A U.S. Marine Raider conducts high-value target detainment and evacuation operations during a multipurpose canine handler training course hosted on Marine Corps Base Camp Pendleton, Calif., Dec. 19.
A U.S. Marine participates in shooting practice aboard the amphibious assault ship USS Bataan, Dec. 28.
U.S. Marine Corps Lance Cpl. Keegan McNew and Cpl. Neftaly Jordan, 3rd Marine Regiment, grapple during a regimental squad competition on Marine Corps Base Hawaii, Dec. 19.
A U.S. Marine and Gold Star family members, take part in laying a wreath on behalf of all the Gold Star Families who lost their loved ones in San Diego, Dec. 14.
U.S. Marines and Soldiers prepare to board an MV-22B Osprey with Marine Medium Tiltrotor Squadron 262, during an insert as part of a comprehensive force on force event at Forest Light Middle Army in Aibano Training Area, Japan, Dec. 10.
U.S. Marines drive a Utility Task Vehicle during a tactical vehicle driving course in Kuwait, Dec. 21.
U.S. Marines carry simulated casualties after an assault through a combat town in the Tango Training Area during Steel Knight 20 at Marine Corps Base Camp Pendleton, Calif., Dec. 6.
U.S. Marines participate in an amphibious landing and assault through a combat town on Red Beach during Steel Knight 20 at Marine Corps Base Camp Pendleton, Calif., Dec. 6.
A U.S. Marine low crawls to the objective while carrying the guidon during Martial Arts Instructor Course 1-20 aboard Naval Air Station Joint Reserve Base New Orleans, Dec. 4.
U.S. Marines conduct a combat marksmanship range during Forest Light Middle Army in Aibano Training Area, Japan, Dec. 3.
Four U.S. Marine Corps AH-1Z Vipers hover during exercise Viper Storm at El Centro, Calif., Dec. 11.
U.S. Service members jump out of an MV-22B Osprey during a parachute training operations, Marine Corps Training Area Bellows, Dec. 10.
A retired U.S. Navy radio operator shakes a U.S. Marine's hand during his visit to Marine Corps Base Hawaii, Dec. 5.
A U.S. Marine holds a radio during casualty response exercises, Marine Corps Training Area, Bellows, Dec. 11.
U.S. Marines conduct a reconnaissance patrol on Camp Hansen, Japan, Dec. 11.
A U.S. Marine prepares to clear a building during a simulated raid of a town at the Central Training Area, Japan, Dec. 9.
U.S. Marines drive a new Amphibious Combat Vehicle ashore during low-light surf transit testing at AVTB Beach on Marine Corps Base Camp Pendleton, Calif., Dec. 18.
A U.S. Marine posts security during a reconnaissance patrol on Camp Hansen, Japan, Dec. 11.
U.S. Marines move up a set of stairs while clearing buildings during a simulated raid of a hostile town at the Central Training Area, Japan, Dec. 9.
U.S. Marines perform the traditional 21-gun salute for those who gave their lives on Dec. 7, 1941, Marine Corps Base Hawaii, Dec. 7.