The honor guard was a special detachment of Starfleet crewmembers who provided a ceremonial welcome to visiting dignitaries and a farewell to the dead.
In 2268, the honor guard from the USS Enterprise was summoned to the hangar deck by Pavel Chekov to greet Ambassador Sarek's party. (TOS: "Journey to Babel")
In 2269, an honor guard was summoned for the arrival of Abraham Lincoln aboard the Enterprise. (TOS: "The Savage Curtain")
In 2285, an honor guard stood by while Captain Spock's body was fired into space. (Star Trek II: The Wrath of Khan)
In 2376, an honor guard stood by while Lieutenant John Kelly's body was fired into space. (VOY: "One Small Step")
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