From Marines in the ranges of Bahrain to those at the flightlines of Calif., these are 20 of the most influential photos from around the Marine Corps during the month of January.

U.S. Marines compete against each other in a grappling match on Marine Corps Air Station Yuma, Ariz., Jan. 23.

U.S. Marines and Japan Ground Self-Defense Forces salute the formations during the opening ceremony for Exercise Forest Light Western Army at Camp Oyanohara, Japan, Jan. 18. 

U.S. Marines brace themselves during part of the Infantry Assault Course on Marine Corps Base Camp Pendleton, Calif., Jan. 16.

U.S. Marines provide security for UH-1Y Venoms at a landing zone during Exercise Venom Storm on San Clemente Island, Calif., Jan. 15.

U.S. Marines participate in a tug of war competition during the annual Saint Barbara's Day Celebration on Marine Corps Base Camp Pendleton, Calif., Jan. 16.

U.S. Marines conduct marksmanship proficiency training at Bahrain, Jan. 12.

U.S. Marine rescuemen man a hose during handline drills on the flightline at MCAS Camp Pendleton, Calif., Jan. 14.

A U.S. Marine sights in on a barrel at the 1st Maint. Bn. Marksmanship Trainer Unit on Marine Corps Base Camp Pendleton, Calif., Jan. 7.

Marines with “The President’s Own,” U.S. Marine Band, march in a funeral procession during a full honors funeral for Brig. Gen. Donald H. Brooks at Arlington National Cemetery, Jan. 29.

A U.S. Marine treads water during water survival advanced training at the Fairchild Pool on Kadena Air Base, Japan, Jan. 31.

U.S. Marines embark on to a UH-1Y Venom for extraction from a landing zone during Exercise Venom Storm on San Clemente Island, Calif., Jan. 15.

U.S. Marines do a live demonstration of the M777 Howitzer and the High Mobility Artillery Rocket System with Japan Ground Self-Defense Force soldiers during exercise Northern Viper on Yausubetsu Training Area, Japan, Jan. 28.

A firefighter signals to another firefighter to climb up a ladder during a joint structural firefighting exercise at Marine Corps Base Camp Pendleton, Calif., Jan. 28.

A U.S. Marine reaches to apply his brake during helicopter rope suspension techniques training at the 13 Area rappel tower on Marine Corps Base Camp Pendleton, Calif., Jan. 22.

A U.S. Marine and his Military Working Dog conduct a training obstacle course on Yuma Proving Grounds, Ariz., Jan. 08.

A U.S. Marine and a U.S. Airman inspect a bridge during EOD Field Exercise 20.1 at the Central Training Area, Japan, Jan. 13.

A U.S. Marine observes the French amphibious assault ship Dixmude in the Atlantic Ocean, Jan. 6.

U.S. Marines and Sailors secure a simulated casualty during Visit, Board, Search and Seizure training in Pearl Harbor, Hawaii, Jan. 10.

Marine Corps Recruit Depot Parris Island's mascot stands amid U.S. Marines at a battalion formation on Parris Island, S.C., Jan. 3.

A U.S. Marine prepares his aircraft in support of Exercise Winter Fury at Marine Corps Air Station Miramar, Calif., Jan. 15.