The POLARIS A3 missile became operational on 28 September 1964 when USS DANIEL WEBSTER (SSBN 626) began her initial operational patrol wnautical (2880 statute) mile range A3s aboard. In terms of hardware design, POLARIS A3 was approximately an 85 percent new missile. POLARIS A3 represented a significantly greater technological advancement over A2, than that of A2 over A1. The completely successful test was followed by a successful launch of an A2 missile from the same submarine on 16 November 1963, witnessed by President Kennedy from USS OBSERVATION ISLAND. The missile was launched from USS ANDREW JACKSON (SSBN 619) while cruising submerged about 20 miles off the coast of Cape Canaveral, FL. The first launch of a POLARIS A3 missile from a submerged submarine took place on 26 October 1963. for her second overhaul and conversion to A3. SSBN 608 departed Charleston, SC, on operational patrol wnautical (1730 statute) mile range POLARIS A2 missiles on 26 June 1962.Ī2 was officially retired from the fleet in September 1974 when USS JOHN MARSHALL (SSBN 611) returned to the U.S. The missile was successfully launched from the USS ETHAN ALLEN (SSBN 608) off the coast of Cape Canaveral, FL. The first launch of a POLARIS A2 test vehicle from a submerged submarine took place on 23 October 1961. on 14 October 1965 for her initial overhaul and conversion to A3. POLARIS A1 was officially retired from active duty when USS ABRAHAM LINCOLN (SSBN 602), the last of the first five SSBNs to carry it, returned to the U.S. SSBN 598 went on operational patrol carrynautical (1380 statute) mile range POLARIS A1 missiles on 15 November 1960. Less than 3 hours later, she successfully launched a second POLARIS A1 missile, bringing to fruition a remarkable Navy-industry research and development effort, which began only 4 years earlier. The first successful underwater launch of a POLARIS A1 test vehicle from a submarine was conducted by the first POLARIS submarine, USS GEORGE WASHINGTON (SSBN 598), on 20 July 1960, while cruising submerged off the coast of Cape Canaveral, FL. POLARIS, named for the North Star, is a two-stage ballistic missile, powered by solid fuel rocket motors and guided by a self-contained inertial guidance system independent of external commands or control. Each new design provided successive improvements in range or payload, accuracy, and target flexibility. Saving Earth Britannica Presents Earth’s To-Do List for the 21st Century.The FBM Weapon System Missiles evolved from the single warhead POLARIS A1 and A2 and the multiple warhead A3, through the independently targetable multiple warhead POSEIDON C3 and TRIDENT I (C4), to the current TRIDENT II (D5) missile.Britannica Beyond We’ve created a new place where questions are at the center of learning.100 Women Britannica celebrates the centennial of the Nineteenth Amendment, highlighting suffragists and history-making politicians.COVID-19 Portal While this global health crisis continues to evolve, it can be useful to look to past pandemics to better understand how to respond today.Student Portal Britannica is the ultimate student resource for key school subjects like history, government, literature, and more.Britannica Explains In these videos, Britannica explains a variety of topics and answers frequently asked questions.Demystified Videos In Demystified, Britannica has all the answers to your burning questions.This Time in History In these videos, find out what happened this month (or any month!) in history.#WTFact Videos In #WTFact Britannica shares some of the most bizarre facts we can find.Britannica Classics Check out these retro videos from Encyclopedia Britannica’s archives.
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