What did the acronyms U.N.C.L.E. and T.H.R.U.S.H. stand for on “The Man from U.N.C.L.E.”?

U.N.C.L.E. was the United Network Command for Law and Enforcement.

Its nemesis, T.H.R.U.S.H., was the Technological Hierarchy for the Removal of Undesirables and the Subjugation of Humanity.

The television series, starring Robert Vaughn and David McCallum, ran from 1964 to 1967.