BALLISTIC MISSILES
UGM-133A TRIDENT II (D5)
BRIEFING: The UGM-133A Trident II (D5) is a three-stage,
solid-propellant, inertially guided fleet ballistic missile carried
by the Ohio-class nuclear-powered ballistic-missile submarines
(SSBNs). Trident II is more sophisticated than the UGM-96A
Trident I ( C4), with a significantly greater payload capability.
The missile’s range is increased by the aerospike, a telescoping, outward extension that reduces frontal drag by about 50 percent. Trident II is launched by the pressure of expanding steam
within the launch tube. When the missile attains sufficient distance from the submarine, the first-stage motor ignites, the
aerospike extends and the boost stage begins. Within about two
minutes, after the third-stage motor ignites, the missile is traveling at nearly 20,000 feet per second.
The long-range Trident II D5, initially deployed in 1990, has
vastly increased the areas in which SSBNs can operate and still
have their missiles reach their targets, offsetting improvements
in the anti-submarine warfare capability of potential adversaries. Trident II D5s are subject to the limitations of the 1993
Strategic Arms Reduction Treaty II.
The Trident I C4 was deployed in the first eight boats of the
Ohio class. The Trident II D5 was deployed in the remaining 10
boats of the class. The last Trident I C4 patrol was completed in
September 2005 and the missile withdrawn from service. Of the
eight Ohio-class boats that deployed the Trident I C4, the first
four have been converted to guided-missile (SSGN) configurations. The remaining four boats have been backfitted to carry
Trident II D5 missiles.
The Trident has been selected to arm the next-generation
ballistic-missile submarine, the Ohio-class Replacement.
LENGTH:...................... 44 feet
DIAMETER: .................. 83 inches
WEIGH T: ....................... 130,000 pounds
RANGE:........................ 4,000+ nautical miles
POWER PLANT: ...........3-stage solid-fuel rocket
WARHEADS: ................thermonuclear multiple independently
targetable re-entry vehicles
CONTRACTOR: ...........Lockheed Martin Space Systems Co.
CRUISE MISSILES
R/UGM- 109 TOMAHAWK
BRIEFING: The Tomahawk Land-Attack Missile (TLAM) is a
long-range, all-weather subsonic cruise missile that can be fired
from surface or submarine launch platforms. The Tomahawk carries a conventional payload. The conventional, land-attack, unitary variant carries a 1,000-pound-class warhead (TLAM-C), while
the submunition dispenser variant carries 166 combined-effects
bomblets (TLAM-Ds). The Block III version incorporates engine
improvements, an insensitive extended-range warhead, time-of-arrival control and navigation capability using an improved Digital
Scene Matching Area Correlator and the Global Positioning
System (GPS) — which can significantly reduce mission-planning
time and increase navigation and terminal accuracy.
Tomahawk Block IV (TLAM-E) — the “Tactical Tomahawk”
— has capability enhancements that include increased flexibility using two-way satellite communications to reprogram the
missile or send it a new mission in flight and receive missile
health and status messages during flight. Other improvements
include increased responsiveness with faster launch timelines,
mission-planning capability aboard the launch platform, loiter
capability in the area of emerging targets, the ability to provide
battle-damage indication in the target area, and affordability.
Full-rate production of the Tactical Tomahawk began in July
2004. The Tomahawk was used operationally for the first time
during Operation Desert Storm. Since January 1991, more than
2,000 Tomahawks have been fired in combat operations, including in 2011 during Operation Odyssey Dawn in Libya and in
2014 during Operation Inherent Resolve in Syria.
In January 2015, the Navy and Raytheon conducted two successful test flights that demonstrated the ability of a network-enabled Tactical Tomahawk to hit a moving target.
LENGTH:...................... 18. 2 feet; with booster, 20. 3 feet
DIAMETER: .................. 21 inches
WINGSPAN: .................. 8. 6 feet
WEIGHT: ....................... 2,900 pounds; 3,330 pounds with booster
SPEED:.........................high subsonic, approximately 550 mph
RANGE:........................ TLAM-C, Block III, 900 nautical miles; TLAM-D,
Block III, 700 nautical miles; TLAM-E, Block IV,
900 nautical miles
PROPULSION:..............launch: Block III, CSD/ARC Mk106/Mk111 solid-
fuel booster; Block IV, ARC Mk135 solid-fuel
booster
cruise: Block III, Williams International F107-WR-
402 turbofan; Block IV, Williams International
F415-WR-400 turbojet
WARHEADS: ................ TLAM-C/E, 1,000-pound class WDU-36B;
TLAM-D, BLU- 97 submunitions
CONTRACTOR: ...........Raytheon Missile Systems
SHIP WEAPONS
BALLISTIC MISSILES
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TOMAHAWK LAND-ATTACK MISSILE UGM-133A TRIDENT II (D5)
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