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4. About 180 seconds after launch, the third-stage thrust terminates and the post-boost vehicle (D) separates from the rocket. 5. The post-boost vehicle maneuvers itself and prepares for re-entry vehicle (RV) deployment. 6. While the post-boost vehicle backs away, the RVs, decoys, and chaff are deployed (this may occur during ascent). 7.
The path of the reentry vehicle is the upper streak of light, with the booster tanks immediately below. Lights from the Kwajalein Atoll in the Pacific can be seen in the lower right corner. The Advanced Maneuverable Reentry Vehicle (AMaRV) was a prototype MARV built by McDonnell Douglas.
Here is a diagram showing that the diameter of the reentry vehicle is no more than 50.8 cm. [27] [28] The yield of the W62 is publicly believed to be 170 kilotonnes of TNT (710 TJ). [ 2 ] The W56 warhead on Minuteman III's predecessor had a yield of 1.2 megatonnes of TNT (5.0 PJ), [ 29 ] while its successor, the W78, has a yield of 330 to 350 ...
W78 warheads are contained inside the MK12-A reentry vehicles of the LGM-30G Minuteman III. Drawing of the Mark 12A re-entry vehicle that houses the W78 warhead. The W78 is an American thermonuclear warhead with an estimated yield of 335–350 kilotonnes of TNT (1,400–1,460 TJ), deployed on the LGM-30G Minuteman III intercontinental ballistic missile (ICBM) and housed in the Mark 12A reentry ...
The W76-0 was fitted inside a Mk4 reentry vehicle (reentry body in US Navy parlance) while the W76-1 and -2 are fitted inside the new Mk4A reentry vehicle. Reentry vehicle and warhead weight is estimated to be approximately 95 kilograms (209 lb).
Unit cost: US$70,000,000 (equivalent to $194,571,949 in 2023): Specifications; Mass: 87,750 kg 193,460 lb [3]: Length: 21.8 m 72 ft [3]: Diameter: 2.34 m 7.7 ft [3]: Warhead: Up to 11 Avco Mk21 re-entry vehicles each carrying a 300 kt W87-0 warhead (though in practice, only 10 were carried); or 12 GE Mk12A re-entry vehicles each carrying a 335–350 kt W78 warhead (never deployed) [4] plus decoys
The UGM-73 Poseidon missile was the second US Navy nuclear-armed submarine-launched ballistic missile (SLBM) system, powered by a two-stage solid-fuel rocket.It succeeded the UGM-27 Polaris beginning in 1972, bringing major advances in warheads and accuracy.
Additionally, the deployment of highly accurate missiles on ultra-quiet submarines allows an attacker to sneak up close to the enemy coast and launch a missile on a depressed trajectory (a non-optimal ballistic trajectory which trades off reduced throw-weight for a faster and lower path, effectively reducing the time between launch and impact ...