Out of the seven original Mercury astronauts, three of them were selected as candidates for the first manned U.S. spaceflight: John Glenn, Gus Grissom and Shepard.

从7位最初的水星宇航员中，其中三位被选为第一次美国载人航天的候选人：约翰.格伦,加斯.格里森和谢泼德。

youdao

GRISSOM: I never kid about murder.

对于谋杀我从不说笑。

youdao

SlDLE: Do we have a breakfast budget, Grissom?

我们有没有早餐预算啊葛瑞森？

youdao

Three astronauts were named for the first manned Apollo test flight: Virgil Grissom, Edward White and Roger Chaffee.

VOA: special.2009.07.08

They were Scott Carpenter, Gordon Cooper,John Glenn,Virgil Grissom, Walter Schirra,Alan Shepard and Donald Slayton.

VOA: special.2009.06.10

Grissom escaped. He had to swim for a few minutes before helicopters rescued him.

VOA: special.2009.06.17

NASA's Mercury 7 space capsule piloted by Gus Grissom was found and recovered in 1999.

CNN: Amazon chief plans to recover Apollo engines from seafloor

Grissom, of Kansas, to be United States Attorney for the District of Kansas for the term of four years, vice Eric F.

WHITEHOUSE: Presidential Nominations Sent to the Senate,

Gus Grissom, Ed White, and Roger Chaffee were killed in the capsule of Apollo 1, when a flash fire ripped through their cabin.

FORBES: Lead Like NASA - Accomplish the Ultimate Stretch Goal