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The RB-04 (Robot 04) is a long-range fire-and-forget air-to-surface, anti-ship missile. The missile was known as the "RB-304" during development and early service years. While interest in guided anti-ship missiles was subdued in the 1950s, it was not entirely extinct. In 1949, the Swedish government placed a request for a radar-guided, air-launched anti-ship missile. The request materialized as the SAAB "Robot-Byrån (RB) 04", which was first test launched by a Saab 29 Tunnan fighter in early 1955. The early versions of the missile suffered teething problems in regards to the two targeting modes, which were area attack, for striking a big group of ships (like an invasion fleet), and select targeting, where the missiles home in on a single vessel. In the area attack the missile would only target a ship in the group if they were within 1,000 meters of another vessel, this was also in the early electronic age, and changes in this distance required hardware modifications in a workshop. : *RB-04C: The initial production version, the "RB-04C", entered service with Swedish Air Force A 32A Lansen attack aircraft in 1959. The RB-04C had a canard configuration, with short triangular cruciform fins around the nose, and two wide wings with fins attached to the wingtips. The RB-04C had a boost-sustain solid rocket motor and a SAP warhead that could be fitted with a contact or proximity fuse. : *RB-04D: Further development of the C version. Longer range rocket engines and maintenance free thermal batteries where the main improovements. Introduced in the late 1960s. : *RB-04E: Further development of the D version to suit the new AJ37 Viggen strike aircraft. The missile had a shorter wingspan and improved guidance system and new monopulse radar seeker, which allowed sea-skimming approaches. This version was highly resistant to ECM and would automatically lock on especially powerful jamming signals. Many components of the missile were reused when the RBS-15 was developed including the main body and warhead although the motor and main wings were the most obvious external changes. The missile has never seen combat; the closest thing it has come to being used in anger was during the "Whiskey on the Rocks" incident when in 1981 a soviet (NATO code Whiskey Class) submarine ran aground outside the naval station in Karlskrona. Swedish AJ37 Viggens with Rb04E's slapped under their wings that had been taken from their top secret storage bunkers, stood on high alert for a possible soviet incursion to free their sub by force. On one occasion when a Soviet rescue operation seemed to be underway, aircraft were scrambled with the intent to intercept Soviet ships. ==References== *Svenskt Militärflyg - Bo Widfeldt / Åke Hall (2005) *An Illustrated Guide To Modern Airborne Missiles - Bill Gunston, Arco Publishing, Inc. (1983) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「RB 04」の詳細全文を読む スポンサード リンク
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