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Thad William Allen is a former United States Coast Guard admiral who served as the 23rd Commandant of the Coast Guard. Allen is best known for his widely praised performance directing the federal response to hurricanes Katrina and Rita in the Gulf Coast region from September 2005 to January 2006, and for his role as National Incident Commander of the Unified Command for the Deepwater Horizon oil spill in the Gulf of Mexico in 2010. Robert J. Papp, Jr. succeeded him as Commandant on 25 May 2010, in a change of command ceremony.

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William B. "Bill" Caldwell IV is a retired United States Army officer and the current President of Georgia Military College. Caldwell's final military assignment was as Commanding General of United States Army North, also known as the Fifth Army.

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Thomas Hansen Collins is a former United States Coast Guard admiral who served as the 22nd Commandant of the U.S. Coast Guard from May 2002 to May 2006.

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Vivien S. Crea was the 25th Vice Commandant of the United States Coast Guard under Admiral Thad W. Allen. Crea held the second highest position in the Coast Guard, and she is the first woman to do so. She is the former Commander of the Coast Guard Atlantic Area, and was confirmed by the Senate to her historic post in June 2006. Crea retired on August 7, 2009, and was replaced by VADM David Pekoske.

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Vice Admiral John P. Currier was the 28th Vice Commandant of the United States Coast Guard. He assumed the position from Vice Admiral Sally Brice-O'Hara on May 18, 2012 and was relieved on May 20, 2014 by Vice Admiral Peter Neffenger. Previously, VADM Currier commanded Coast Guard District 13. He was relieved as district commander by Rear Admiral Gary Blore on July 14, 2009. Admiral Currier was selected for promotion to vice admiral and subsequently served as Chief of Staff of the Coast Guard.

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Craig Richard McKinley is a retired United States Air Force general who served as the 26th Chief of the National Guard Bureau, serving from 2008 to 2012. He is the first officer from the National Guard to ever achieve the grade of a four-star general.

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Peter V. Neffenger was the Administrator of the Transportation Security Administration from July 2015 until his statutorily required resignation on January 20, 2017 upon Donald Trump becoming President. Previously to leading TSA, Neffenger was a Vice Admiral in the United States Coast Guard, serving as Vice Commandant of the United States Coast Guard since May 20, 2014. He previously had served as Deputy Commandant for Operations, Deputy National Incident Commander for the 2010 Deepwater Horizon oil spill, Director of Coast Guard Strategic Management and Doctrine, Commander of the Ninth Coast Guard District, Commander of Coast Guard Sector Los Angeles – Long Beach, Captain of the Port and Federal Maritime Security Coordinator, Budget Officer of the Coast Guard, and Coast Guard Liaison Officer to the Territory of American Samoa. On April 28, 2015, he was nominated by President Barack Obama to be the administrator of the Transportation Security Administration.

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Admiral Robert J. Papp Jr. is a retired United States Coast Guard admiral and served as the 24th Commandant of the U.S. Coast Guard. He led the largest component of the United States Department of Homeland Security, with 42,000 active duty, 8,200 Reserve, 8,000 civilian, and 31,000 Auxiliary personnel.

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David Peter Pekoske is an American government official and retired U.S. Coast Guard Vice Admiral who currently serves as the seventh Administrator of the Transportation Security Administration. He also served as acting Deputy Secretary of Homeland Security from April to November 2019. He concluded his 33 years of active military service in 2010 as the 26th Vice Commandant of the Coast Guard.

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Paul Frederick Zukunft is a retired United States Coast Guard admiral who served as the 25th Commandant of the Coast Guard. He was confirmed by the U.S. Senate as the Commandant, with the rank of Admiral, in May 2014 and relieved Admiral Robert J. Papp Jr. as Commandant on 30 May 2014. Prior to his selection as Commandant, he served as Commander, Coast Guard Pacific Area. In this position, Zukunft was the operational commander for all U.S. Coast Guard missions within the half of the world that ranges from the Rocky Mountains to the waters off the East Coast of Africa. He concurrently served as Commander, Defense Force West and provided U.S. Coast Guard mission support to the U.S. Department of Defense and Combatant Commanders.