Mercury Seven Mercury Seven The Mercury Seven were the group of seven Mercury astronauts announced by NASA on April 9, 1959. They are also referred to as the Original Seven or Astronaut Group 1. They piloted the manned spaceflights of the Mercury program from May 1961 to May 1963. These seven original American astronauts were Scott Carpenter, Gordon Cooper, John Glenn, Gus Grissom, Wally Schirra, Alan Shepard, and Deke Slayton. Members of the group flew on all classes of NASA manned orbital spacecraft of the 20th century — Mercury, Gemini, Apollo, and the Space Shuttle. Gus Grissom died in 1967, in the
Seven of Seven The ending theme is "Birdie, birdie" by Nana Mizuki. "Sgt. Frog"s manga artist, Mine Yoshizaki, created the character concept designs for "Seven of Seven". As such, various crossovers exist between the series. The character of Mutsumi Hojo, who appears as "Examinee 623" and the host of his own radio program in "7 of 7", is a major character in "Sgt. Frog". Melody Honey, a minor character in "Sgt. Frog", appears and even receives a backstory. "Yuurei"-chan also appears in episode 12 of "Nana". In addition, episode 89 of Sgt. Frog features a plot that splits Corporal Giroro into seven personalities,