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|style="padding:0 0.9em 0 0;" | [[File:1960-07-21 First Polaris Firing By Submerged U-Boat.ogv|300px |UGM-27 Polaris |thumbtime=57]]
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A [[newsreel]] depicting the first successful underwater launch of the '''[[UGM-27 Polaris]]''' on July 20, 1960. This two-stage [[submarine-launched ballistic missile]] began development in 1956 and was meant to provide [[second strike]] capabilities. After several successful test firings on land, the missile was scheduled for an underwater test, being loaded onto [[USS George Washington (SSBN-598)|USS ''George Washington'']] at [[Cape Canaveral]] before being fired from the [[Eastern Range|Atlantic Missile Test Range]] at a target {{convert|1100|mi|km}} away.
<p><small>Film: [[Universal Newsreel|Universal International Newsreel]]</small></p>
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==See also==
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