[DOC] [TLE] Origins of NASA Names - NASA History Homepage [PAR] [97] NASA's first four manned spaceflight projects were Mercury, Gemini, Apollo, 
and .... In honor of Astronauts Virgil I. Grissom, Edward H. White II, and Roger B. 
... AS-202, and AS-203 were not given "Apollo" flight numbers and no missions .... 
with a nickname; after the Gemini 3 mission, NASA announced that "all Gemini... [DOC] [TLE] In the Beginning: Project Mercury | NASA [PAR] Unmanned tests of the booster and capsule preceded the first human flight. ... but 
it was the pioneering legacy of Project Mercury and all those who worked ... 
Original Mercury astronauts stand in group for photo in front of spacecraft ... On 
April 9, 1959, NASA's first administrator, Dr. Keith Glennan, announced the 
names of... [DOC] [TLE] Mercury-Redstone 3 - Wikipedia [PAR] Mercury-Redstone 3, or Freedom 7, was the first United States human spaceflight
, on May 5, 1961, piloted by astronaut ... Launch site, Cape Canaveral LC-5. End 
of mission ... The number 7 was included in all the manned Mercury spacecraft 
names to honor NASA's first group of seven astronauts. His spacecraft reached 
an... [DOC] [TLE] Gordon Cooper - Wikipedia [PAR] Selection, 1959 NASA Group 1. Missions, Mercury-Atlas 9 (Faith 7), Gemini 5. 
Mission insignia. Faith 7 insignia.gif Gemini5insignia.png. Retirement, July 31, 
1970. Awards, Dfc-usa.jpg  NASA Distinguished Service Medal.jpg. Leroy 
Gordon "Gordo" Cooper, Jr. (March 6, 1927  October 4, 2004), (Col, USAF), 
better ... Cooper piloted the longest and final Mercury spaceflight in 1963. [DOC] [TLE] Alan Shepard - Wikipedia [PAR] Rear Admiral Alan Bartlett "Al" Shepard Jr. (November 18, 1923  July 21, 1998) 
was an ... He was promoted to rear admiral on August 25, 1971, the first astronaut 
to .... The first group of 35, which included Shepard, assembled at the Pentagon 
.... E. Webb announced that Mercury had accomplished all its goals, and no more
... [DOC] [TLE] Gus Grissom - Wikipedia [PAR] Lieutenant Colonel Virgil Ivan "Gus" Grissom (April 3, 1926  January 27, 1967) 
was one of the .... On July 21, 1961, Grissom was pilot of the second Project 
Mercury flight, ... This mission made him the first NASA astronaut to fly into space 
twice. ... from naming his Apollo 7 spacecraft Phoenix in honor of Grissom's 
Apollo 1... [DOC] [TLE] List of fictional astronauts - Wikipedia [PAR] This is an incomplete list of fictional astronauts appearing in various media, 
including books, ..... Withington (Fuel man) (no first names given), "The Missing 
Symbol" (1952), short story ...... for the honor of being the first Chinese woman to 
be launched into space. ...... Rodriguez was a member of NASA Astronaut Group 
19. [DOC] [TLE] John Glenn - Wikipedia [PAR] John Herschel Glenn Jr. (born July 18, 1921), (Col, USMC, Ret.), is a former 
aviator, engineer, astronaut, and United States senator. He was one of the "
Mercury Seven" group of military test pilots selected in 1959 by NASA to become 
America's first astronauts and fly the Project Mercury spacecraft. ... Glenn 
received the Congressional Space Medal of Honor in 1978, and was... [DOC] [TLE] Apollo 7 - Wikipedia [PAR] Apollo 7 was a 1968 human spaceflight mission carried out by the United States. 
It was the first mission in the United States' Apollo program to carry a crew into 
space. It was also the first U.S. spaceflight to carry astronauts since the flight of ... 
Schirra thus became the only astronaut to fly Mercury, Gemini and Apollo 
missions. [DOC] [TLE] Mercury Astronauts. The first seven American astronauts. John ... [PAR] 1959 NASA names 1st 7 astronauts for Project Mercury ..... All killed by flash fire 
in Apollo capsule on launch pad during tests. ... The New Nine, the first new 
group of astronauts chosen by NASA

Question: All the nicknames of the Mercury capsules ended in this number, honoring the first group of astronauts
Answer: 7