Just in case you didn't know, the "S.H.I.E.L.D." in ABC's new series "Marvel's Agents of S.H.I.E.L.D." stands for "Strategic Homeland Intervention, Enforcement and Logistics Division." Here are five other notable TV acronyms.

ALF The furry, wisecracking creature in the 1980s comedy was an acronym for Alien Life Force.

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M.A.N.T.I.S. Carl Lumbly starred as the title character in this short-lived '90s series, a paralyzed scientist who became the titular superhero when he donned a exoskeleton-like suit known as the Mechanically Automated Neuro Transmitter Interactive System.

M*A*S*H The men and women in this beloved 1972-83 dark comedy were members of the 4077th Mobile Army Surgical Hospital.

S.W.A.T. The tough guys in this 1970s series worked for an elite unit of the Los Angeles Police Department known as Special Weapons and Tactics.

THE MAN FROM U.N.C.L.E. The spy agency that employed Agents Solo (Robert Vaughn) and Kuryakin (David McCallum) on the 1960s series stood for United Network Command for Law Enforcement. (Its adversary also used an acronym: THRUSH, which stood for Technological Hierarchy for the Removal of Undesirables and the Subjugation of Humanity.)