PGM-11 Redstone

PGM-11 Redstone
Name	PGM-11 Redstone
Caption	Redstone missile on launcher, 1958
Origin	United States
Type	Ballistic missile
Service	1958–1964
Designer	Wernher von Braun
Manufacturer	Redstone Arsenal
Produced	1953–1964
Weight	28,000 lb (12,700 kg)
Length	58 ft (17.7 m)
Diameter	5 ft (1.52 m)
Warhead	Conventional, nuclear
Engine	Liquid-fuel rocket engine (A-7)
Range	200–350 mi (320–560 km)
Guidance	Inertial guidance
Launch platform	Mobile transporter-erector-launcher, Cape Canaveral

PGM-11 Redstone was an early American short-range ballistic missile developed during the 1950s by engineers at Redstone Arsenal under the direction of Wernher von Braun. It served as a primary tactical delivery system for the United States Army and provided a foundation for later spaceflight launches from Cape Canaveral and test programs associated with NASA and the United States Air Force. The missile bridged wartime rocketry legacies from Peenemünde to Cold War strategic requirements embodied in programs such as Project Mercury and Operation Dominic.

Development

Development traces to captured technology and personnel after World War II, notably from projects at Peenemünde and research organized by Operation Paperclip. Funding and requirements were set by the Department of Defense and the US Army Ordnance Corps, with prime development at Redstone Arsenal and engineering contributions from contractors such as North American Aviation and Rocketdyne. Political drivers included directives from the Eisenhower administration and interservice rivalry with the United States Air Force over ballistic missile roles evident in disputes like the Reorganization Act of 1958. Testing used ranges at Cape Canaveral, White Sands Missile Range, and facilities supporting the Armed Forces Special Weapons Project.

Design

The design used a liquid-propellant engine derived from the V-2 rocket lineage adapted by teams led by Wernher von Braun and engineers from Redstone Arsenal. Propulsion employed a single A-7 engine with ethanol and liquid oxygen propellants; structural design used an aluminum alloy airframe and a tubular launch frame similar to earlier designs at Peenemünde. Guidance relied on an inertial guidance system incorporating gyroscopes and accelerometers developed with input from MIT laboratories and contractors experienced from the Ballistic Research Laboratory. Warhead options included a boosted fission package compatible with weapons from Los Alamos National Laboratory and conventional high-explosive configurations used in tactical exercises with United States Army Europe units.

Operational History

Operational deployment began in the late 1950s with units assigned to United States Army missile battalions stationed in CONUS and forward-deployed to NATO forces such as VII Corps. The missile entered service amid strategic uncertainties highlighted by incidents like the Sputnik crisis and was integrated into joint command exercises with North Atlantic Treaty Organization allies. Several safety and reliability issues prompted iterative technical fixes after early flight failures at Cape Canaveral Air Force Station and recovery operations involving Eglin Air Force Base engineering teams. The system was gradually withdrawn as newer systems like the MGM-5 Corporal successor families and solid-fueled designs attained higher priority under Secretary of Defense Robert McNamara reforms.

Variants

Key variants developed from the base included testbed configurations for suborbital research, instrumented versions for aerodynamic and guidance trials, and crewed-launch adaptations used by Project Mercury for testing the Mercury-Redstone launch vehicle stack. Additional modifications were produced for high-altitude scientific experiments integrated with payloads from institutions such as Jet Propulsion Laboratory and Goddard Space Flight Center. Export and allied support saw derivative systems evaluated by NATO partners and studies involving United Kingdom and West Germany liaison teams.

Specifications

- Manufacturer: Redstone Arsenal and associated contractors including North American Aviation and Rocketdyne - Type: Short-range ballistic missile; suborbital launch vehicle derivative for crewed and uncrewed missions - Length: 58 ft (17.7 m) - Diameter: 5 ft (1.52 m) - Launch mass: ≈28,000 lb (12,700 kg) - Propulsion: A-7 liquid-fuel engine; ethanol + liquid oxygen; turbopump-fed - Guidance: Inertial guidance with gyroscopes and accelerometers, avionics support from contractors linked to MIT - Warhead: Nuclear warhead options developed in coordination with Los Alamos National Laboratory and conventional payload capabilities for instrumented flights - Range: Approximately 200–350 miles (320–560 km) depending on payload and trajectory

Launches and Deployments

Launch operations concentrated at Cape Canaveral Air Force Station and test launches at White Sands Missile Range, with logistical and tracking support from Patrick Air Force Base and telemetry stations operated by United States Navy units in the Atlantic. Notable missions included test flights within Project Mercury and early suborbital launches that validated life-support and staging systems for astronauts managed by NASA and flight controllers previously associated with von Braun’s team. Deployments to Europe placed batteries under United States Army Europe command for deterrence patrols during peak Cold War tensions, with training and live-fire exercises coordinated alongside NATO maneuvers.

Legacy and Impact

The missile’s technical lineage influenced subsequent launch vehicles such as the Juno I and informed design choices for stages employed in the early Saturn I program at Marshall Space Flight Center. Personnel and facilities that matured during the Redstone program contributed to the United States’ crewed spaceflight capability and to engineering cultures at NASA, Marshall Space Flight Center, and contractor sites like Boeing and Northrop Grumman. Strategically, the system shaped arms-control dialogues later formalized in forums such as the Strategic Arms Limitation Talks and affected interservice acquisition debates culminating in policy shifts under figures like Robert McNamara and John F. Kennedy. The Redstone era left material artefacts in museums including the Smithsonian Institution and the National Museum of the United States Air Force.

Category:Ballistic missiles of the United States Category:Cold War weapons of the United States