由于与澳星B2采用同一星体设计(休斯601型)的银河4卫星发射日期一再推迟,阿里安航天公司1993年上半年的商业发射计划被打乱。这颗卫星最初定于1月21日发射,后推迟到1月28日、2月初,最后休斯公司又决定将其运回美国进行改装。推迟发射的原因是卫星太阳能帆板存在制造上的问题。原定在4、5月间进行的另一颗601型卫星——Astra 1C的发射仍将在春天进行,但不是作为阿里安公司今年的第二次发射,而是作为第一次发射。 The launch of Alion Space Co. in the first half of 1993 was disrupted due to the postponement of the launch date of the Galaxy 4 satellite in the same celestial design (Hughes 601) of Australia’s Star B2. The satellite was originally scheduled to launch on January 21, postponed until January 28, early February, and finally Hughes decided to ship it back to the United States for modification. The reason for the postponement of the launch was the manufacturing problems of satellite solar panels. The launch of the Astra 1C, another 601 satellite scheduled to take place in April and May, will still take place in spring, but not as the second launch of Arian’s this year, but as the first launch.