Hard Mobile Launcher

Small ICBM Hard Mobile Launcher
A Hard Mobile Launcher engineering model
Type Mobile ICBM Launcher
Place of origin United States
Service history
In service prototype only (1986-1991)
Used by United States
Specifications
Weight 108,400 kg (239,000 lb)
Length 33.5 m (110 ft)
Engine 1,200 hp (890 kW)
Speed 88.5 km/h (55.0 mph) on road

The Hard Mobile Launcher (HML) is a mobile radiation-hardened truck transporter erector launcher designed to facilitate the transport and launching of the MGM-134 Midgetman missile.

Overview

HML launcher during test phase
U.S. Air Force National Museum plaque

It can travel at speeds of up to 55 mph on the road and it also has off-road capabilities. The vehicle also has a trailer mounted plow which can be used to dig the launcher into the earth in order to help protect it were it within the vicinity of a nuclear detonation.

The vehicle weighs a total of 108,400 kg (239,000 pounds), with a length of over 33.5m (110 feet) and it has the capability to transport objects weighing up to 36,300 kg (80,000 pounds). It is powered by a Rolls Royce Perkins diesel engine which produces 1200 hp and controls all 8 wheels using an electro-hydraulic transmission.[1]

Design and testing

The vehicle was designed and built by Boeing Aerospace and Electronics' Loral Defense Systems Division, and the prototypes were delivered to the US Air Force by December 1986. The Air Force tested the vehicle until 1991, after which development of the MGM-134 missile project ceased, leading to the project's cancellation.

Museum acquisition

Following the cancellation of the MGM-134 missile project, the last of the engineering models was acquired by the National Museum of the U.S. Air Force in Ohio. It is no longer on display and was given to the Defense Reutilization and Marketing Office.[2]

The Hard Mobile Launcher at Wright Patterson Air Force Base was sold for scrap in July 2015. The lot number was 5650, the auction event ID was 40039. The event notice is still online as of October 2017.[3] It was broken up in September 2015.

References

  1. ↑ "Small ICBM Hard Mobile Launcher". Retrieved 31 March 2017.
  2. ↑ Jeffrey Lewis. "Return of the Hard Mobile Launcher". Retrieved 31 March 2017.
  3. ↑ "Event Details". www.govliquidation.com. Retrieved 2017-10-05.

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