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The Harrier is a successful close-support and reconnaissance fighter aircraft with V/STOL capabilities, currently built by BAE SYSTEMS and Boeing (under license).
Royal Air Force Harrier GR-7
The Harrier family was started with the Hawker P.1127. Design began in 1957 by Sir Sidney Camm, Ralph Hooper of Hawker Aviation and Stanley Hooker of the Bristol Engine Company. Rather than using rotors or a direct jet thrust the P.1127 had a innovative vectored thrust turbofan engine and the first vertical take-off was on October 21, 1960. Design continued after Hawker Siddeley Aviation was created with the Kestrel, which first flew on March 7, 1964. The Kestrel was a evaluation aircraft offered to military test pilots from Britain, the US and West Germany (the Tri-partite evaluation unit). Successful tests led to an order for sixty aircraft from the RAF in 1967. The Harrier GR Mk.1 was the first production model, it first flew on December 28, 1967, and entered service with the RAF on April 1, 1969. Construction took place at factories in Kingston-upon-Thames in southwest London and at Dunsfold, Surrey. The latter adjoined an airfield used for flight testing; both factories have since closed. The ski-jump technique for STOL use by Harriers launched from Royal Navy aircraft carriers was tested at the Royal Navy's Somerset airfield at Yeovilton. Their flight decks were designed with an upward curve to the bow following the successful conclusion of those tests. The air combat technique of VIFFing was evolved in the Harrier - vectoring in forward flight - to outmanouevre a hostile aircraft or other inbound weapon.