Sea Launch
Quick Summary
Sea Launch is an international commercial venture that utilizes a unique approach to space launches. Instead of a fixed land-based site, Sea Launch employs a mobile launch platform, essentially a converted offshore oil rig. This platform is towed to a near-equatorial location in the Pacific Ocean by a command ship. From there, the Ukrainian Zenit launch vehicle and its satellite payload are transferred to the platform for launch. This strategy allows Sea Launch to leverage the advantages of equatorial launches, such as increased Earth rotation velocity, without requiring a permanent installation in an equatorial country. The company is an alliance of U.S., Ukrainian, and Russian aerospace companies, along with a Norwegian offshore oil drilling and shipbuilding company.12
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