Mercury Seven a team and solo. Grissom, Cooper, and Slayton were Air Force pilots; Shepard, Carpenter, and Schirra were Navy pilots, and Glenn was a Marine Corps pilot. All seven had attended a variety of postsecondary institutions in the 1940s. Of the five astronauts who had completed undergraduate degrees before being selected, two (Shepard and Schirra) were graduates of the United States Naval Academy. Having earned a Master of Arts degree in 1957 at the Naval War College, Shepard was the only selectee who held an advanced degree. Following a decade of intermittent studies, Cooper completed his degree as a mid-career student
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,