Active Duty is the eighth release by MC Hammer on November 20, 2001. Overall, it marks his seventh studio album and ninth record, including the unreleased Too Tight (1996).

Following the September 11 attacks, Hammer released this album on his own World Hit Music Group label (the music enterprise under his Hammertime Holdings Inc. umbrella) to pay homage to the ones lost in the terrorist attacks. in which the album followed that theme. One of the album's singles, "Pop Yo Collar", became a popular "buzzword/catchphrase" during this period.

The album, like its predecessor, would not sell as many copies as previous projects. Hammer did however promote it on such shows as The View and produced a music video for both singles.

A patriotic album, originally planned to be titled The Autobiography Of M.C. Hammer, portions of the proceeds were donated to 9/11 charities. Hammer shot the video for the anthem "No Stoppin' Us (USA)" in Washington, D.C. on October 3, 2001, with several members of the United States Congress, who sang in the song and danced in the video. Present members of the United States House of Representatives included J.C. Watts, Eddie Bernice Johnson, Thomas M. Davis, Earl Hilliard, Alcee Hastings, Rep. Diane Watson (D-Calif.), Rep. Corinne Brown (D-Fla.) and Jesse Jackson Jr..

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