NASA Astronaut Group 21 eight people, Jessica Meir, Ph.D., Major Nicole Mann, Lt. Commander Josh Cassada, Ph.D., Lt. Colonel Tyler Hague, Cristina Hammock, Major Andrew Morgan, M.D., Lt. Commander Victor Glover, and Major Anne McClain. On April 9, 1959 the National Aeronautics and Space Administration (NASA) announced the finalists for Astronaut Group 1. This group of seven astronauts, also sometimes known as the "Original Seven" or the "Mercury Seven" were a part of the first human spaceflight program, called Project Mercury. Since the original group, the total number of astronaut groups has grown to 22 as of 2017. The class joined 47 other active
Seven of Seven most of whom resemble Nana's split personalities. A segment of the episode featuring Mutsumi takes place at the cherry tree seen frequently in "Seven of Seven". In Volume 18 of the manga, a ninja named "Nana" is introduced. She looks identical to Nana from Seven of Seven. She also had six copies, each one with a personality matching the various Nanas from Seven of Seven. Seven of Seven The TV series premiered January 10, 2002 on TV Tokyo and finished in run on June 27, 2002, totaling 25 episodes. A New Year's special episode was included in the seventh DVD