Task Force 16 (TF16) was one of the most storied task forces in the United States Navy, a major participant in a number of the most important battles of the Pacific War.. It was formed in mid-February 1942 around Enterprise, with Vice Admiral William F. Halsey in command of the force, and supported by cruisers Salt Lake City and Northampton, along with a half-dozen destroyers.

The sixteenth season of British science fiction television series Doctor Who, known collectively as The Key to Time, began on 2 September 1978 with The Ribos Operation, and ended with The Armageddon Factor.The arc was originally conceived by producer Graham Williams, who had proposed it as part of his application for the producer's job in 1976. The name refers to the …