UGM-27B Polaris A-2
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| Państwo |  Stany Zjednoczone | |
| Typ | SLBM | |
| Przeznaczenie | Strategiczne odstraszanie | |
| Wyrzutnia | atomowe okręty podwodne typu: • George Washington (588) • Ethan Allen (608) | |
| Status | zdezaktywowany | |
| Lata służby | 6 maja 1962 do 1 listopada 1974 | |
| Długość | 9,45 m | |
| Średnica | 1,37 m | |
| Masa startowa | 14 744 kg | |
| Napęd | na paliwo stałe • 1 stopień: Aerojet General, • 2 stopień: Aerojet General | |
| Prędkość | 12 900 km/h | |
| Zasięg | 1500 Mm (2775 km) | |
| Udźwig | 1 głowica RV | |
| Naprowadzanie | bezwładnościowe | |
| Głowica | jądrowa W47 Y2, 1,2 Mt | |
UGM-27B Polaris A-2 – amerykański dwustopniowy pocisk balistyczny średniego zasięgu klasy SLBM na paliwo stałe. Uzbrojony w jedną głowicę jądrową W47 Y2 o mocy 1,2 Mt Polaris A-2, w latach 1962–1974 pozostawał na uzbrojeniu amerykańskich okrętów podwodnych typu George Washington oraz Ethan Allen.
6 maja 1962 r. z pociskiem Polaris A-2 wystrzelonym z pokładu USS Ethan Allen, przeprowadzono jedyny amerykański pełny test pocisku balistycznego – począwszy od startu, aż po eksplozję jądrową w atmosferze (operacja Frigate Bird).
Bibliografia
- Norman Polmar, K.J. More: Cold War Submarines, The Design and Construction of U.S. and Soviet Submarines. Potomac Books, Inc, 2003. ISBN 1-57488-530-8. (ang.)
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A Polaris A2X test missile on the launch pad at the Atlantic Missile Test Range, Cape Canaveral, Florida. The A2X is the prototype for the 1500-nmi Polaris A2 missile that became operational in 1962. Credits - NASA
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