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10月17日,里根总统向国会提出申请,要求1984财年增补二千零四十万美元发射陆地卫星-5,替换工作欠佳的陆地卫星-4。陆地卫星-4自发射以来工作一直不好,不能胜任其工作。陆地卫星-5的正式名称为Landsat-D’,是该计划中的备份卫星。国家海洋大气局的官员打算明年2月用德尔名助推器在范登堡空军基地发射这颗卫星。估计在新卫星发射之前,陆地卫星-4可能已停止工作。
On October 17, President Reagan filed an application with the National Assembly requesting that an additional 20.4 million U.S. dollars be issued to land-based satellites-5 in fiscal year 1984 to replace the less-than-performing land-satellites -4. Landsat-4 has not worked well since launch and can not do its job. Landsat-D was formally called Landsat-D ’and is the backup satellite in the plan. Officials of the National Oceanic and Atmospheric Administration intend to launch the satellite at Vandenberg AFB in February next year using the Del Booster. It is estimated that Landsat-4 may have stopped working before the new satellite is launched.