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America’s military is known for its high standards — but of all the sister service branches, the Marine Corps take perfection to another level.

And maintaining that excellence has been no small feat, considering the Corps has served a role in every conflict in US history. That’s because the Marines operate on sea, air, and land, and can respond to a crisis in less than 24 hours with the full force of a modern military.

To celebrate the Corps, we’ve pulled some of their best shots ever.

Marine Corps Military Free Fall Instructors assigned to Marine Detachment — Fort Bragg, release the ashes of Sgt. Brett Jaffe (1971-2012), a Marine rigger, above Phillips Drop Zone at Yuma Proving Grounds, Ariz., on July 26, 2012.

Sgt. Maj. Scott T. Pile speaks to 11th Marine Expeditionary Unit Marines and sailors embarked aboard the amphibious assault ship USS Makin Island parked pierside at Naval Base San Diego Aug. 9.

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Lance Cpl. Kyle J. Palmer (left), holds a mortar tube steady as Lance Cpl. Samuel E. Robertson (right), mortarmen with the 81mm Mortars Platoon, Weapons Company, Battalion Landing Team 2nd Battalion, 7th Marines, 31st Marine Expeditionary Unit, grabs another mortar round during a joint live fire exercise, July 14.

US Marines assigned to Georgian Liaison Team-9 and Georgian Army soldiers assigned to the 33rd Light Infantry Battalion make their way to the extraction point during Operation Northern Lion II in Helmand province, Afghanistan, July 3, 2013.

Recruits at Recruit Depot Parris Island stand in formation as they prepare to enter the gas chamber.

Marines with the 15th Marine Expeditionary Unit Maritime Raid Force depart the USS Essex (LHD 2) on a combat rubber raiding craft during Amphibious Squadron Three/Marine Expeditionary Unit Integration Training (PMINT) off the coast of San Diego March 4, 2015.

U.S. Marines with Fox Company, Battalion Landing Team 2nd Battalion, 1st Marines (BLT 2/1), 11th Marine Expeditionary Unit (MEU), conduct a Table 3 combat marksmanship course of fire as a part of sustainment training on the flight deck of the USS San Diego (LPD 22), Oct. 1.

Drill Instructor Sgt. Daniel Anderson motivates recruits during physical training at Marine Corps Recruit Depot Parris Island on December 4, 2014.

U.S. Marines with Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa ascend ropes during an obstacle course on Rota Naval Base, Spain, Feb. 26, 2015.

A Marine salutes the American flag during a wreath laying ceremony at the Marine Corps War Memorial in Washington. The ceremony commemorated the 70th anniversary of the battle for Iwo Jima. With most of the surviving veterans in their 80’s and 90’s, surviving Marines visited the memorial in remembrance of their brothers in arms.

View more photos at Business Insider