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Brazo/PAVE ARM missile
Type Anti-radiation missile
Place of origin United States
Service history
Used by United States Air Force; United States Navy
Production history
Designed 1972-1973
Manufacturer Hughes Aircraft
Length 12.0 feet (3.66 m)
Diameter 8 inches (200 mm)
Warhead Continuous rod
Warhead weight 65 pounds (29 kg)

Engine Rocketdyne Mk 38
Wingspan 3.3 feet (1.02 m)
Propellant Solid fuel
16 nautical miles (30 km; 18 mi)
Speed Mach 4

The Brazo missile was an American project, intended to produce an anti-radiation missile for air-to-air use. Developed by Hughes Aircraft and based on the AIM-7 Sparrow air-to-air missile, the Brazo underwent a series of successful test firings; however, the program was terminated at the end of its test program.


  • Design and development 1
  • Operational history 2
  • See also 3
  • References 4

Design and development

A joint development project between Hughes Aircraft and the United States Navy,[1] the Brazo missile (named as a pun by one of the project's Navy developers, a Hispanic; "Brazo" is Spanish for "Arm", the acronym for an Anti-Radiation Missile[2]) project was initiated in 1972, as a proof-of-concept demonstration of the utility of an air-to-air, anti-radar missile.[1] In 1973, the United States Air Force's Pave Arm project, a program with similar goals, was merged into the Brazo program, with the Air Force assuming responsibility for testing the missile.[3]

The first air-to-air anti-radiation missile developed by the United States,[4] the Brazo utilised the airframe of the existing AIM-7E Sparrow air-to-air missile, fitted with a new, Hughes-built passive radar seeker head developed by the Naval Electronics Center.[5] The seeker was intended to detect and home on enemy radar emissions, such as those on interceptor and AWACS aircraft.[6]

Operational history

The first test firing of the Brazo missile was conducted in April 1974, with the missile, launched from a USAF F-4D Phantom II,[7] successfully shooting down a BQM-34 Firebee drone; four follow-up tests over the following year continued the missile's successful record, with none of the test shots failing[1] despite difficult test conditions.[3] However, despite the Brazo's success, the follow-on ERASE (Electro-magnetic RAdiation Source Elimination) project was cancelled,[8] and no air-to-air antiradiation missiles would enter service in the West.[9]

See also


  1. ^ a b c Parsch 2003
  2. ^ Stevenson 2001, p.18.
  3. ^ a b Friedman 1982, p.179.
  4. ^ Morison and Rowe 1975, p.282.
  5. ^ Fitzsimons 1978, p.425.
  6. ^ Gunston 1977, p.96.
  7. ^ International Aeronautic Federation (1974). Interavia volume 29, p.603.
  8. ^ Bidwell 1978, p.165.
  9. ^ Sweetman 1987, p.160.
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