尽管里根总统作出了航天飞机不再用来竞争商业发射业务的决定,美国许多家私人空间发射服务公司为了利用由于这一决定所产生的潜在的商业发射市场,也会面临着激烈的竞争。休斯飞机公司会同波音宇航公司建议用中型运载火箭(贾维斯运载火箭)作为美空军的中型运载火箭。该公司宣称,如果得不到这项中型运载火箭 Although President Reagan made the decision that Space Shuttle will no longer be used to compete for commercial launch services, many private space launch service companies in the United States will also face fierce competition in order to take advantage of the potential commercial launch market arising from this decision. Hughes Aircraft Co., in conjunction with Boeing Aerospace, recommends medium-sized launch vehicles (Jarvis launch vehicle) as medium-sized carrier rockets for the U.S. Air Force. The company claims it will not get the medium-size carrier rocket