paragraph_text: Boesch was born and raised in Rochester, New York, and enlisted in the United States Navy at age 17. He became a Underwater Demolition Team (UDT) Frogman in 1951, serving on two UDT Teams. He was chosen as one of the first SEALs, becoming Chief of the Boat of newly created SEAL Team TWO in 1962. Starting in 1968 and 1970, Boesch completed two combat deployments during the Vietnam War, where he earned the Bronze Star for heroic action. During that time and later, Boesch set physical and operational standards at SEAL Team TWO. In 1987, he became Senior Enlisted Advisor for United States Special Operations Command. Designated the "Bullfrog", the longest-serving SEAL still on active duty, Boesch achieved considerable renown within the force for his physical fitness training regimens and his military appearance. After 45 years of continuous service, he retired from the Navy in 1990 as a Master Chief Petty Officer.

paragraph_text: The Navy needed to determine its role within the special operations arena. In March 1961, Admiral Arleigh Burke, the Chief of Naval Operations, recommended the establishment of guerrilla and counter-guerrilla units. These units would be able to operate from sea, air or land. This was the beginning of the Navy SEALs. All SEALs came from the Navy's Underwater Demolition Teams, who had already gained extensive experience in commando warfare in Korea; however, the Underwater Demolition Teams were still necessary to the Navy's amphibious force.

paragraph_text: USS "Pegasus" (PHM-1) was the lead ship of her class of hydrofoils operated by the United States Navy. "Pegasus" class vessels were designed for high speed and mobility, and carried a powerful armament for their size.

paragraph_text: USS "Balch" (DD-363) was a "Porter"-class destroyer in the United States Navy. She is named for Admiral George Beall Balch.

paragraph_text: USS "Brownson" (DD-868), a "Gearing"-class destroyer, was the second ship of the United States Navy to be named for Rear Admiral Willard H. Brownson, USN (1845–1935).

paragraph_text: USS "Kilty" (DD–137) was a "Wickes"-class destroyer in the United States Navy. She was the first ship named for Admiral Augustus Kilty.

paragraph_text: USS "Kane" (DD-235/APD-18) was a "Clemson"-class destroyer in the United States Navy during World War II. She was the first ship named for Elisha Kent Kane.

paragraph_text: USS "Rhodes" (DE-384) was an "Edsall"-class destroyer escort built for the United States Navy during World War II. She served in the Atlantic Ocean and the Pacific Ocean and provided destroyer escort protection against submarine and air attack for Navy vessels and convoys. Post-war she served the Navy as a radar picket ship.

paragraph_text: USS "Goff" (DD-247) was a "Clemson"-class destroyer in the United States Navy during World War II. She was named for Secretary of the Navy Nathan Goff, Jr.

paragraph_text: USS "Daly" (DD-519), a "Fletcher"-class destroyer, was a ship of the United States Navy named for Marine Sergeant Major Daniel Daly, (1873–1937), one of the very few people to be twice awarded the Medal of Honor.

paragraph_text: USS "Catbird" (AM-68) was the lead ship of her class of two naval trawlers, which were operated as minesweepers by the United States Navy during World War II.

paragraph_text: This is a list of destroyer classes of the Royal Navy of the United Kingdom, organised chronologically by entry into service.

paragraph_text: USS "Jason" (AR-8) was the fourth of the Vulcan class repair ship of the United States Navy in service from 1944 to 1995, serving in World War II, Korea, Vietnam, and the Gulf War. At the time of her decommissioning, "Jason" was (with the exception of ) the oldest ship in continual commission in the United States Navy, and the final ship in continual commission from World War II onward.

paragraph_text: HMAS "Vendetta" was one of three "Daring" class destroyers built for and operated by the Royal Australian Navy (RAN). The destroyer was built by Williamstown Naval Dockyard and entered service in 1958. During her early career, "Vendetta" was deployed to the Far East Strategic Reserve on multiple occasions. In 1965 and 1966, the destroyer undertook deterrence patrols during the Indonesia-Malaysia Confrontation. Along with several runs escorting the troop transport to Vietnam, from late 1969 to early 1970 "Vendetta" was assigned to combat operations, and became the only Australian-built warship to serve in a shore bombardment role during the Vietnam War.

paragraph_text: The United States Navy's ``Sea, Air, and Land ''Teams, commonly abbreviated as the Navy SEALs, are the U.S. Navy's primary special operations force and a component of the Naval Special Warfare Command. Among the SEALs' main functions are conducting small - unit maritime military operations that originate from, and return to, a river, ocean, swamp, delta, or coastline. The SEALs are trained to operate in all environments (Sea, Air, and Land) for which they are named.

paragraph_text: The third USS "Macdonough" (DD-351) was a "Farragut"-class destroyer in the United States Navy during World War II. She was named for Thomas Macdonough.

paragraph_text: USS "Watts" (DD-567) was a "Fletcher"-class destroyer of the United States Navy. It was named for Captain John Watts ("ca."1778–1823), who fought French privateers during the Quasi-War with France.

paragraph_text: USS "MacLeish" (DD-220/AG-87) was a "Clemson"-class destroyer in the United States Navy during World War II. She was named for Lieutenant Kenneth MacLeish.

paragraph_text: The first major warship produced by the U.S. Navy after World War II (and in the Cold War) were "frigates"—the ships were originally designated destroyer leaders but reclassified in 1975 as guided missile cruisers (except the became guided missile destroyers). These grew out of the last all-gun destroyers of the 1950s. In the middle 1970s the s entered service, optimized for anti-submarine warfare. A special class of guided missile destroyers was produced for the Shah of Iran, but due to the Iranian Revolution these ships could not be delivered and were added to the U.S. Navy.

paragraph_text: The California Golden Seals were a team in the National Hockey League (NHL) from 1967 to 1976. Initially named California Seals, the team was renamed Oakland Seals partway through the 1967 -- 68 season (on December 8, 1967), and then to California Golden Seals in 1970. The Seals were one of six teams added to the league as part of the 1967 NHL expansion. Based in Oakland, California, they played their home games at the Oakland -- Alameda County Coliseum Arena. However, the Seals were never successful at the gate, and eventually moved to Cleveland to become the Cleveland Barons in 1976.

Question: What does seal stand for in the U.S. military branch that operates a list of destroyer classes as well as the USS Jason?
Answer: Sea, Air, and Land