A U.S. Marine poses for a photo in the 22 Area of Marine Corps Base Camp Pendleton, California, March 25. - A U.S. Marine poses for a photo in the 22 Area of Marine Corps Base Camp Pendleton, California, March 25.

U.S. Marines receive instruction during the Cyber Electronic Warfare Course at Marine Corps Base Camp Pendleton, Calif., Sept. 17. - U.S. Marines receive instruction during the Cyber Electronic Warfare Course at Marine Corps Base Camp Pendleton, Calif., Sept. 17.

Lance Cpl. Skyler Schopf, team leader, 3rd Battalion, 4th Marine Regiment, fires a M136 AT4 anti-tank weapon during a live-fire training exercise as part of Tactical Small-Unit Leadership Course at Marine Corps Air Ground Combat Center, Twentynine Palms, California, July 18, 2016. The purpose of the course was to focus on the training of small-unit leadership within “Darkside.” - Lance Cpl. Skyler Schopf, team leader, 3rd Battalion, 4th Marine Regiment, fires a M136 AT4 anti-tank weapon during a live-fire training exercise as part of Tactical Small-Unit Leadership Course at Marine Corps Air Ground Combat Center, Twentynine Palms, California, July 18, 2016. The purpose of the course was to focus on the training of small-unit leadership within “Darkside.”

Maj. Misty Posey the Plans Officer with the Manpower Integration Office, Headquarters Marine Corps, educates an audience about the integration of female Marines into previously closed combat arms occupations and units at the Unit Event Center June 8, 2016. The goal of integration education training is to ensure commanders and staffs are sufficiently educated and prepared to receive Marines of either gender by October 31, 2016 (active) and January 31, 2017 (reserve). “I hope we get to the point where people look at female Marines as Marines first and as women second,” Posey said. - Maj. Misty Posey the Plans Officer with the Manpower Integration Office, Headquarters Marine Corps, educates an audience about the integration of female Marines into previously closed combat arms occupations and units at the Unit Event Center June 8, 2016. The goal of integration education training is to ensure commanders and staffs are sufficiently educated and prepared to receive Marines of either gender by October 31, 2016 (active) and January 31, 2017 (reserve). “I hope we get to the point where people look at female Marines as Marines first and as women second,” Posey said.

Cpl. Richard Nedlic (Right), Light Armored Vehicle crewman and Cpl. Nicholas Guiles, rifleman, both with 1st Light Armored Reconnaissance Battalion and students in the Urban Leaders Course, fire their weapons from the supine position during a combat marksmanship program range at Marine Corps Base Camp Pendleton, California, March 31, 2016. This firing drill is meant to train Marines to safely and accurately return fire if they fall backward while moving or are knocked down. - Cpl. Richard Nedlic (Right), Light Armored Vehicle crewman and Cpl. Nicholas Guiles, rifleman, both with 1st Light Armored Reconnaissance Battalion and students in the Urban Leaders Course, fire their weapons from the supine position during a combat marksmanship program range at Marine Corps Base Camp Pendleton, California, March 31, 2016. This firing drill is meant to train Marines to safely and accurately return fire if they fall backward while moving or are knocked down.

A Marine with 5th Battalion, 11th Marine Regiment, 1st Marine Division, loads an electronic M2 .50-caliber machine gun in a Combat Convoy Simulator at Marine Corps Base Camp Pendleton, California, Feb. 2, 2016. The CCS at first glance looks like an expensive, high-tech video game, but its primary use is preparing Marines for real-world combat missions with simulations of realistic scenarios. - A Marine with 5th Battalion, 11th Marine Regiment, 1st Marine Division, loads an electronic M2 .50-caliber machine gun in a Combat Convoy Simulator at Marine Corps Base Camp Pendleton, California, Feb. 2, 2016. The CCS at first glance looks like an expensive, high-tech video game, but its primary use is preparing Marines for real-world combat missions with simulations of realistic scenarios.

Marines and Sailors practice clearing rooms and detaining non-combatants as a part of the Raid Leaders Course at Marine Corps Base Camp Pendleton, Calif., Jan. 12, 2016. While the course emphasizes combat marksmanship fundamentals, Marines must be able to identify and properly handle non-combatants in urban military operations. The Marines participating in the training course are with Fox Company, 2nd Battalion, 4th Marine Corps Regiment. The Raid Leaders Course is run by Expeditionary Operations Training Group, I Marine Headquarters Group, I Marine Expeditionary Force. - Marines and Sailors practice clearing rooms and detaining non-combatants as a part of the Raid Leaders Course at Marine Corps Base Camp Pendleton, Calif., Jan. 12, 2016. While the course emphasizes combat marksmanship fundamentals, Marines must be able to identify and properly handle non-combatants in urban military operations. The Marines participating in the training course are with Fox Company, 2nd Battalion, 4th Marine Corps Regiment. The Raid Leaders Course is run by Expeditionary Operations Training Group, I Marine Headquarters Group, I Marine Expeditionary Force.

A Marine conceals himself under the obstruction of deployed smoke during the company supported, live-fire assault portion of a Marine Corps Combat Readiness Evaluation at Marine Corps Air Ground Combat Center Twentynine Palms, California, Dec. 6, 2015. The purpose of a MCCRE is to evaluate Marines’ collective performance in specific mission requirements that will prepare them for their upcoming deployment rotation. The Marine is with 2nd Battalion, 7th Marine Regiment, 1st Marine Division. - A Marine conceals himself under the obstruction of deployed smoke during the company supported, live-fire assault portion of a Marine Corps Combat Readiness Evaluation at Marine Corps Air Ground Combat Center Twentynine Palms, California, Dec. 6, 2015. The purpose of a MCCRE is to evaluate Marines’ collective performance in specific mission requirements that will prepare them for their upcoming deployment rotation. The Marine is with 2nd Battalion, 7th Marine Regiment, 1st Marine Division.

U.S. Marines with 1st Reconnaisance Battalion board a HUMVEE during Steel Knight 16 at Marine Corps Air Ground Combat Center Twentynine Palms, California, Dec. 11, 2015. Steel Knight is an annual field training exercise that enables 1st Marine Division to test and refine its command and control capabilities by acting as the headquarters element for a forward-deployed Marine Expeditionary Force. - U.S. Marines with 1st Reconnaisance Battalion board a HUMVEE during Steel Knight 16 at Marine Corps Air Ground Combat Center Twentynine Palms, California, Dec. 11, 2015. Steel Knight is an annual field training exercise that enables 1st Marine Division to test and refine its command and control capabilities by acting as the headquarters element for a forward-deployed Marine Expeditionary Force.

Marines with 1st Reconnaissance Battalion, 1st Marine Division, and members of the Japan Ground Self-Defense Force conduct amphibious raids and military operations on urban terrain during Exercise Iron Fist 15 aboard Camp Pendleton on Feb. 3, 2015. Exercise Iron Fist 15 is an annual bilateral training exercise between U.S. and Japanese military forces that builds their combined ability to conduct amphibious and land-based contingency operations. IF15, currently in its tenth iteration, is scheduled from Jan. 26 to Feb. 27, 2015, in southern California. (U.S. Marine Corps photo by Cpl. Angel Serna/Released) - Marines with 1st Reconnaissance Battalion, 1st Marine Division, and members of the Japan Ground Self-Defense Force conduct amphibious raids and military operations on urban terrain during Exercise Iron Fist 15 aboard Camp Pendleton on Feb. 3, 2015. Exercise Iron Fist 15 is an annual bilateral training exercise between U.S. and Japanese military forces that builds their combined ability to conduct amphibious and land-based contingency operations. IF15, currently in its tenth iteration, is scheduled from Jan. 26 to Feb. 27, 2015, in southern California. (U.S. Marine Corps photo by Cpl. Angel Serna/Released)

Soldiers with 7th Singapore Infantry Brigade and Marines with 1st Battalion, 5th Marine Regiment devise a reaction strategy in case of simulated Improvised Explosive Device attacks during exercise Valiant Mark aboard Marine Corps Base, Camp Pendleton, Calif., Dec. 6, 2014. Valiant Mark enhances U.S. and Singaporean forces’ combined combat readiness through live-fire and urban terrain training as well as amphibious operations familiarization. (U.S. Marine Corps photo by Lance Cpl. Danielle Rodrigues) - Soldiers with 7th Singapore Infantry Brigade and Marines with 1st Battalion, 5th Marine Regiment devise a reaction strategy in case of simulated Improvised Explosive Device attacks during exercise Valiant Mark aboard Marine Corps Base, Camp Pendleton, Calif., Dec. 6, 2014. Valiant Mark enhances U.S. and Singaporean forces’ combined combat readiness through live-fire and urban terrain training as well as amphibious operations familiarization. (U.S. Marine Corps photo by Lance Cpl. Danielle Rodrigues)