High Quality Content by WIKIPEDIA articles! The Safeguard Program was a United States Army anti-ballistic missile system developed during the late 1960s. Safeguard was designed to protect U.S. ICBM missile sites from counterforce attack, thus preserving the option of an unimpeded retaliatory strike. Safeguard used much of the same technology of the earlier Sentinel Program, which had been designed to protect U.S. cities. Sentinel was developed but never deployed. Safeguard was planned for several sites within the United States, but only one was completed. Until the Ground-Based Midcourse Defense system was deployed, the Stanley R. Mickelsen Safeguard complex in Nekoma, North Dakota, with the separate long-range detection radar located further north near the town of Cavalier, North Dakota, was the only operational anti-ballistic missile system ever deployed by the United States.

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