航空喷气公司最近赢得一项５亿美元的合同，为洛克希德－马丁公司的改进型一次性使用运载火箭研制固体火箭发动机。前不久，洛马公司将其改进型一次性使用运载火箭正式命名为宇宙神５火箭。增加固体火箭助推器后，宇宙神５可更加有效地在商务市场上与其他火箭，特别是波音... Aeroflot recently won a $500 million contract for the development of solid rocket motors for Lockheed Martin’s modified single use launch vehicle. Not long ago, Loma officially named its modified single use carrier rocket as the Astros 5 rocket. After adding solid rocket boosters, the Astros 5 can be more effective in the business market with other rockets, especially Boeing...