There are three Mercury Retrograde periods each year, each lasting for about 3 weeks or so. In 2015 Mercury goes retrograde in the three periods of January-February, May-June and September-October. Of late Mercury retrograde is gaining much importance in our lives.n 2015 Mercury goes retrograde in the three periods of January-February, May-June and September-October.
Since aviation began, one fact has remained constant: Each president has flown more than his predecessor. Today, Air Force One has become an office in the sky where routine work is performed. It was not always so, especially in early years when many thought flying was dangerous. Theodore Roosevelt became the first president to fly in an aircraft, although it didnât happen during his years as president (1901-1909).
Navy Lieutenant Commander Chaffee, aged 31, had never flown in space before. Air Force Lieutenant Colonel Grissom, 39, was the first American to make two flights. Air Force Lieutenant Colonel White, 35, made America's first space walk. It is feared the disaster on launch pad 34 could delay America's plans to put a man on the Moon by as much as a year.