These 17 photos show how the US military trains for amphibious warfare

Photo: US Marine Corps

The seas are considered cruel mistresses, and it behooves one to either stay clear or be prepared to face its unpredictable wrath.

Considering that the surface of the planet consists of 71% water, it’s probably in the US military’s best interest to be prepared to perform both in land and sea.

Here are 17 pictures that show how they train for amphibious warfare:

US Marines conduct a nighttime boat operation exercise using a Combat Rubber Raiding Craft aboard the USS Green Bay.

An instructor with the Animal Packers Course sings the Marine's Hymn after completing a plunge into freezing water as part of Winter Mountain Leaders Course.

Recon Marines enter the water with their ankles bound and hands clenched tightly together during a proficiency screening at Camp Schwab.

US Marine Corps

A US Raid Force Marine engages simulated hostile targets during an amphibious insertion for sustainment training.

Basic Underwater Demolition/SEAL (BUDS) candidates cover themselves in sand during surf passage.

Republic of Korea Marines with the US 7th Marine Regiment participate in a mock amphibious landing during an exercise.

US Marines perform a rescue drill during the Water Survival Course at Marine Corps Base Camp Johnson, North Carolina.

Force Recon Marines sprint into the water with their F470 Combat Rubber Raiding Crafts in preparation for hydrographic reconnaissance training at Marine Corps Training Area Bellows in Waimanalo, Hawaii.

An officer candidate breaks the surface of the murky water of 'The Quigley' at Brown Field, Marine Corps Base Quantico, Virginia.

A shallow water egress trainer observes as a Marine goes upside down and attempts to breath compressed air from an emergency breathing system at Marine Corps Base Hawaii.

Sailors assemble an M240G machine gun 15-feet underwater during the annual Recon Challenge at Marine Corps Base, Camp Pendleton.

US Marines conduct an underwater gear shed during a swim qualification course at Marine Corps Air Station Cherry Point, North Carolina.

US Marines with a Special Operations Training Group practice breaching and riding on combat rubber raiding crafts.

Special Warfare Combatant-craft Crewmen and members of the US Army 160th Special Operations Aviation Regiment (SOAR), conduct a Maritime External Air Transportation System training evolution in Moses Lake, Washington.

Students at the Naval Diving and Salvage Training Center play underwater football.

A Basic Underwater Demolition/SEAL (BUD/S) candidate waves a flare during a simulated dive casualty drill while training at Naval Amphibious Base Coronado.

A US Navy diver welds a patch onto an underwater structure.

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