The capsule was part of the Mercury program, and Glenn's space flight took four hours and 55 minutes.

太空舱是水星计划的一部分，格伦的太空飞行了4小时55分钟。

youdao

S. between 1964 and 1967, following the one-person Mercury program and before the three-person Apollo program.

在它之前的是「水星号」单人宇宙飞船系列，在它之后则是可载三人的阿波罗计划。

youdao

Fifty years ago when Alan Shepard climbed inside his Mercury capsule to blast off into space, things were looking pretty grim for the fledgling U.S. space program.

五十年前，当艾伦·谢波德进入墨丘利号太空舱等待发射升空时，所有的一切对于羽翼未丰的美国太空计划都显得十分残酷。

youdao

The results of the two short flights made space officials believe the Mercury program was ready for its first orbital flight.

VOA: special.2009.06.17

Astronauts in NASA's Mercury Program flew the first American space flights in the early nineteen-sixties.

VOA: special.2011.04.06

I'm Shirley Griffith. Listen again next week to the second part of the story of the Mercury program that took the first American astronauts into space.

VOA: special.2009.06.10