Mercury Seven summon the last group. The tests included spending hours on treadmills and tilt tables, submerging their feet in ice water, three doses of castor oil, and five enemas. Six candidates were rejected as too tall for the planned spacecraft. Another 33 failed or dropped out during the first phase of exams. Four more refused to take part in the second round of tests, which eliminated eight more candidates, leaving 18. From the 18, the first seven NASA astronauts were chosen, each a "superb physical specimen" with an IQ above 130, and the ability to function well both as part of
The Seven Lancers of Belina The Seven Lancers of Belina The Seven Lancers of Belina, also called The Belina’s Seven and The Seven Uhlans (Polish: Ulanska siodemka) was a name given to a mounted reconnaissance group of the Riflemen's Association. On August 2, 1914, upon order of Józef Piłsudski, the seven uhlans crossed the border between Austrian Galicia and Congress Poland, on a mission to gather information about Russian forces in the area of Miechów and Jędrzejów. Members of the group would later become elite of the cavalry forces of the Second Polish Republic (see also Polish cavalry). The Belina’s Seven were named after Władysław