The unit is so secret that the military does not openly acknowledge its existence, but its reputation has taken on near mythic proportions and features in numerous books, films and video games.
The White House and the Central Intelligence Agency have declined to openly confirm that "Team Six" led Monday's assault on Bin Laden's residence in Pakistan, though Vice President Joe Biden and the spy agency's chief Leon Panetta hailed the Navy SEALs for carrying out the operation.
Since it was created in 1980 in the aftermath of the failed attempt to rescue American hostages in Iran, Team Six has been credited with the rescue of the governor of Grenada in the 1983 US invasion, helping hunt down war criminals in the Balkans and liberating the American captain of the Maersk Alabama after shooting three Somali pirates in 2009.
The squad also led the operation to rescue Linda Norgrove, a British aid worker abducted by insurgents in Afghanistan, but she died in the attempt, according to US media.
The unit's number six was chosen to confuse the Soviet Union, as at the time there were only two other such teams, according to Richard Marcinko, who recounted his experience as the first leader of Team Six in his book "Rogue Warrior."
The team faced controversy in the 1980s amid allegations of misuse of funds and equipment, with Marcinko convicted of bribery and other charges.
In the 1980s, the squad had about 90 members, but it expanded to about 200 to 300 members, according to various media reports and defense websites.
The team's members are recruited from the 2,300 men in the Navy SEALs, an acronym for Sea, Air and Land – famous for its brutal selection and training that push the limits of human endurance.
It takes about five years of training to earn the right to wear the trident badge of the SEALs, including underwater demolition, parachuting at high altitude and submarine operations.
Most prospective SEALs fail at some point during the selection process, often due to the psychological stress more than the physical demands of the course, said Captain Kenneth Klothe, a Navy pilot who has worked with the SEALs and is director of the irregular warfare course at National Defense University.
"A lot of the guys mentally can't stand it," Klothe told AFP.
While still widely referred to as Team Six, the squad has a new, more prosaic name: the Naval Special Warfare Development Group, or DEVGRU.
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Whats the point when they do not have their alligeince to their President. I am talking about JF Kennedy's murder by the state machine.
Can they liberate Palestine?