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RUM-139 VL ASROC  
Initial Operational Capability (IOC): 1993
Total Production: 1,000
Unitary Cost: USD$840,000
Also Known As: RUM-139A VLA, RUM-139B VLA and Vertical Launch ASROC
Origin: United States of America
Corporations: Lockheed Martin
Parent System: ASROC
Initial Operational Capability (IOC):
Total Production: ?
Family Members: RUR-5 ASROC and VLA-ER
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Description: ASROC (Anti-Submarine Rocket) combines a solid propellant rocket with a torpedo payload to achieve a quick reaction, all weather, intermediate range anti-submarine weapon. ASROC was designed to be installed on US Navy's surface ships inside eight-cell sealed canisters which also performed as launch ramp. Originally the US Navy deployed ASROC carrying torpedoes armed with both conventional and nuclear warheads. After launch the ASROC rocket directs to the submarine area to deliver the torpedo payload. After entry the water the torpedo powers up and searches for the submarine using either active or passive sonar.

The RUM-139 Verical Launch ASROC (VLA) was designed to be fired from vertical launch system (VLS) such as the Mk-41. VLS offers greater weapons availability and quicker response than ramps that need to be directed to the target area before launch. The VLA program was launched in 1980 with Loral as the lead contractor. The RUM-139A weapon system achieved initial operational capability (IOC) in 1993 and RUM-139B in 1996. RUM-139B is an improved variant featuring Mark 46 Mod 5A(SW) in lieu of Mark 46 Mod 5(S). Mark 46 Mod 5A(SW) is more capable than its predecessor in the shallow water environment.

The US Navy's has deployed VLAs onboard Ticonderoga-class cruisers, and Spruance- and Buke-class destroyers. The Japanese Navy also deployed VLAs on its destroyers and frigates. As of 2005, VLA deployed within the US Navy are carrying one Mark 46 Mod 5(S/SW) torpedo. RUM-139B upgrade is being retrofitted into the entire VLA stockpile. Lockheed Martin Naval Electronics & Surveillance Systems is the contractor for the VLA program replacing Loral.

RUM-139 VL ASROC Applications


Fighting Ships Akizuki Atago CG 47 (VLS) DD 963 Spruance DDG 1000 Zumwalt DDG 51 Flight I DDG 51 Flight II DDG 51 Flight IIA Kongo Murasame Takanami

RUM-139 VL ASROC Specifications

Dimensions
Diameter: 420 millimeter (16.5 inch)
Length: 5.04 meter (198 inch)
Wingspan: 680 millimeter (26.8 inch)
Weight
Warhead: 45 kilogram (98 pound)
Weight: 639 kilogram (1,409 pound)
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

RUM-139 VL ASROC News

There are 3 news between
6 Jul 2009 and 17 Sep 2013
Tuesday, September 17, 2013First LRASM Boosted Test Vehicle Successfully Launched from Mk41 Vertical Launch System
Monday, July 9, 2012US Navy Awards Lockheed Martin a Contract for 22 Additional VLA Missiles
Monday, July 6, 2009Japanese Maritime Self Defense Force Takes Delivery of 1,000th Vertical Launch ASROC Missile

Operators & Related Equipment


OperatorsItems

Grand Total ?2
Defensive Weapons
Mark 46x1
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