Canberra B2 wing tip fuel tanks

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The English Electric Canberra B2 was the first production version of the United Kingdom's first jet-powered bomber. Entering service with the Royal Air Force (RAF) in 1951, it was designed as a high-altitude, high-speed tactical bomber to replace the World War II-era de Havilland Mosquito. 
 
Key Specifications
Powerplant: Two Rolls-Royce Avon RA3 engines, each providing approximately 6,500 lbf of thrust.
Maximum Speed: 518 mph (833 km/h) at sea level, reaching up to 570 mph at high altitudes.
Service Ceiling: Standard operational ceiling of 48,000 feet, though specialized variants later set records over 70,000 feet.
Payload: Capable of carrying up to 6,000 lbs (approximately 2,720 kg) of internal ordnance.
Crew: Typically a crew of three: one pilot and two navigators/mission specialists. 
 
Design and Features
The Canberra B2 featured a distinctive "sleek and turret-free" design that relied on speed and altitude for defense rather than defensive armament. 
Construction: The aircraft was primarily metal, but notably retained a vertical tail fin made entirely of wood.
Nose Configuration: Unlike later trainer variants, the B2 featured a transparent "bomb aimer's" nose for visual targeting.
Versatility: While originally a tactical bomber, the airframe was so adaptable it was eventually used for photo reconnaissance, electronic warfare, and training roles. 
 
Operational History and Legacy
The Canberra served for over 50 years, one of the longest careers of any military aircraft. 
Global Use: It was exported to more than 15 countries, including Australia, India, and New Zealand.
American Variant: The U.S. licensed the design and produced it as the Martin B-57 Canberra, which saw extensive service during the Vietnam War.
Records: It was the first jet aircraft to complete a non-stop transatlantic flight in 1953 and set a world altitude record of 70,310 feet in 1957.