Today’s SOFREP pic of the day features airmen from the Royal Air Force and Indian Air Force chatting beside a Gloster Javelin fighter jet during Exercise Shiksha in 1963.

Exercise Shiksha, held in India from October to November 1963, marked a unique Cold War collaboration involving the USAF, RAF, and RAAF. This was India’s sole exercise with foreign powers during that tense era, aimed squarely at bolstering its air defenses against potential Chinese aggression. The skies buzzed with RAF Javelins, USAF F-100s, RAAF Canberras, and an array of IAF aircraft, including Hunters, Canberras, and Gnats. This multinational show of strength underscored the strategic importance of air power in countering regional threats.

A Bit About the Gloster Javelin

The Gloster Javelin was a British twin-engine, delta-wing, all-weather interceptor aircraft designed and built by Gloster Aircraft Company. It was the UK’s first and only delta-wing fighter to serve with the Royal Air Force (RAF) and was in operation during the 1950s and 1960s. Here’s an overview of the aircraft:

Design and Development


  • The design of the Gloster Javelin began in response to the RAF’s requirement for an all-weather, high-speed interceptor capable of operating at high altitudes to counter the threat of Soviet bombers.
  • The aircraft was developed as part of the UK’s rearmament program during the early Cold War period.

Design Features:

  • Delta Wing: The Javelin’s delta wing design was chosen to provide excellent high-speed performance and stability. This wing configuration helped the aircraft achieve high speeds while maintaining good control at lower speeds.
  • Twin Engines: Powered by two Armstrong Siddeley Sapphire turbojet engines, which provided significant thrust and allowed the aircraft to perform effectively at high altitudes.
  • All-Weather Capability: Equipped with advanced radar and electronic systems for its time, allowing it to operate in all weather conditions and at night.
  • Armament: Typically armed with four de Havilland Firestreak air-to-air missiles, along with four 30 mm ADEN cannons mounted in the wings.

Operational History

Introduction and Service:

  • The Gloster Javelin entered service with the RAF in 1956 and served primarily in the interceptor role.
  • It was deployed in various parts of the world, including the UK, Germany, Cyprus, and the Far East, providing a critical component of NATO’s air defense during the height of the Cold War.


  • Multiple variants of the Javelin were produced, each with incremental improvements in performance, radar, and armament. Notable variants include the FAW.1, FAW.7, and FAW.9, with the latter being the most advanced operational version.

Challenges and Limitations:

  • Despite its innovative design, the Javelin faced several challenges, including issues with engine reliability and handling characteristics at high angles of attack.
  • Its radar and electronic systems, while advanced for the time, quickly became outdated as technology progressed.


  • The Javelin was gradually phased out of service in the late 1960s, being replaced by more advanced aircraft such as the English Electric Lightning.
  • The last operational units were retired from the RAF in 1968, marking the end of its service life.


The Gloster Javelin remains a significant aircraft in the history of British aviation. It represented a key step in the development of high-speed, all-weather interceptors and contributed to the defense strategy during a critical period of the Cold War. Several examples of the Javelin are preserved in museums and collections, serving as a reminder of its role in aviation history.

Specifications (for the FAW.9 variant)

  • Crew: 2 (pilot and radar operator)
  • Length: 55 ft 0 in (16.76 m)
  • Wingspan: 51 ft 4 in (15.65 m)
  • Height: 16 ft 4 in (4.98 m)
  • Wing Area: 545 sq ft (50.6 m²)
  • Empty Weight: 24,400 lb (11,067 kg)
  • Max Takeoff Weight: 37,000 lb (16,783 kg)
  • Powerplant: 2 × Armstrong Siddeley Sapphire Sa.7 turbojets, 11,000 lbf (49 kN) each with afterburner
  • Maximum Speed: 690 mph (1,110 km/h, 600 kn) at 40,000 ft (12,000 m)
  • Range: 925 mi (1,490 km, 803 nmi)
  • Service Ceiling: 54,000 ft (16,000 m)
  • Armament: 4 × de Havilland Firestreak missiles, 4 × 30 mm ADEN cannon

The Gloster Javelin, with its unique design and historical significance, holds an important place in the annals of military aviation history.

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