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
Feast of the Seven Fishes the idea of "seven" fishes originated in restaurants. The most famous dish for Southern Italians is baccalà (salted cod fish). The custom of celebrating with a simple fish such as baccalà reflects customs in what were historically impoverished regions of Southern Italy, as well as seasonal factors. Fried smelts, calamari and other types of seafood have been incorporated into the Christmas Eve dinner over the years. There are many hypotheses for what the number seven represents. Seven is the most repeated number in the Bible and appears over 700 times. One popular theory is the number represents completion, as shown