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Kh-90 GELA
(NATO reporting name: AS-X-21)
Type Air-to-surface missile
Place of origin Russia
Production history
Manufacturer NPO Mashinostroyeniya , MKB Raduga , Turaevo TMKB Soyuz , TsAGI
Weight 15 Ton
Length 8 - 9 m or 10 11 12 m
Diameter 0,9 m (0,8 within ± 1,2 m)
Warhead various HE FAE TBX , two nuclear each 200 kt
Warhead weight 200 Kg to < 1,6 Ton HE , 200 Kg < 1,82 Ton TNW

Engine booster + Ramjet Raduga TMKB Soyuz (or Scramjet ?) TsAGI
Wingspan 6 - 8 (7,2 m)
Propellant solid propellant booster , liquid ramjet (or scramjet) , kerosene
3000-4000[1] Km
Speed 4 - 5 - 6 Mach (can be reach < 10-15 Mach)
inertial, TERCOM , GLONASS , Radar , IR IIR , TV camera , Opto-Electronic , CCD
Aircraft , can be loaded on ship ground TEL , maybe submarine

The Kh-90 GELA[2] ГЭЛА (гиперзвуковой экспериментальный летательный аппарат) or P-750 Grom, NATO designation AS-X-19 Koala and AS-X-21 is a Soviet Russian Air-to-Surface cruise missile. It was supposed to replace subsonic intermediate range missiles in the Soviet inventory. The missile was an ambitious project, as the main objective was to develop it into a hypersonic missile.

The missile was designed by Chelomei at NPO Mashinostrenniye and designated as the AS-X-21. It was equipped with a one-megaton thermonuclear warhead and used inertial navigation with mid-course update via data link. It had a maximum range of 3,000 km (1,900 mi).[3]

It was developed at the beginning of 1980, following the Kh-80 and Kholod projects.[4][5][6]


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