该公司希望他们的疫苗在明年进入人体临床试验，并且计划继续保持在航天飞机任务和国际空间站之中进行更多的实验。
The company hopes for its vaccine to enter human clinical trials next year, and plans to continue more experiments on the remaining space shuttle missions and the International space Station.
3名死于阿波罗计划早期实验的火灾中，14名在挑战者号和哥伦比亚号航天飞机失事中牺牲。
Three perished in a fire during early testing for the Apollo programme and 14 died in the wreckage of the space shuttles Challenger and Columbia.
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