President Dwight D. Eisenhower, however, was more concerned about the country’s security than its self-esteem. With the Soviets having the rocket power to propel a satellite into space, he wondered how long it would be before they were capable of launching a nuclear bomb toward the United States. In response to this perceived Soviet threat, Eisenhower signed the National Aeronautics and Space Administration (NASA) into being on July 29, 1958. One of the first assignments given to the new agency was to launch a man into space and return him safely to earth, and that fall, Project Mercury was created to fulfill that daunting task.

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On April 9, 1959, NASA formally introduced to the world the seven test pilots who would, it was hoped, carry the U.S. banner to the heavens. Selected were: Lieutenant Commanders Malcolm Scott Carpenter, Walter Marty Schirra, and Alan B. Shepard of the Navy; Air Force captains Leroy Gordon Cooper, Virgil I. “Gus” Grissom, and Donald “Deke” Slayton; and Lieutenant Colonel John H. Glenn of the Marine Corps.

Born on July 18, 1921, Glenn was the oldest of the group, arguably the most celebrated, and an obvious candidate for Mercury from the beginning. A veteran of World War II and the Korean War, Glenn had flown 149 combat missions and been awarded the Distinguished Flying Cross five times. After completing test-pilot school in 1954, Glenn went to work testing the fastest jets America could produce. His r?sum? sparkled even more in 1957 after he set a transcontinental speed record for the first flight to average supersonic speed (seven hundred miles per hour) from Los Angeles to New York.

From their first public appearance together, the Mercury 7 astronauts, as they came to be known, were celebrities and heroes. “We were at first extremely surprised when we were announced to the whole world, and how crazy everybody went over the whole thing,” laughs Cooper.

But enthusiasm for the project was one thing; making it a success was more difficult. There were countless variables and unknowns to conquer: weightlessness, a new capsule, an inconsistent booster in the Atlas rocket, and of course, the awesome specter of space. “To put it bluntly, we didn’t know what we were doing in many areas of the Mercury program and we were fortunate our country understood there was no achievement without risk,” admits Kranz.

As the Mercury project evolved and moved into the next decade, NASA found a crucial supporter in President John F. Kennedy. Just weeks into his term, however, the Soviets scored another technological coup. On April 2, 1961, Soviet Cosmonaut Yuri Gagarin became the first human to fly in space, orbiting the earth once during his one hour, forty-eight minute flight, which came just three months after a U.S. Redstone rocket had carried a chimp named Ham into space and brought him safely back.

On May 5, 1961, Alan Shepard made America’s first, manned suborbital voyage, flying for 15 minutes and reaching an altitude of 116 miles. Compared to Gagarin’s flight around the world, Shepard’s 302-mile mission was a mere stopover between ports of call. It was, however, a major boost to America’s pride. While Gagarin flew under a cloak of secrecy, Shepard’s flight was broadcast live on television.

The early success of the Mercury Program spurred President Kennedy to inspire NASA to reach for new heights. On May 25, he grabbed the world’s attention when he told Congress that the nation’s new goal was to complete a manned trip to the moon before the end of the decade. For the first time in its space duel with the Soviet Union, the United States, which had so far amassed just 15 minutes of manned space-flight time, had set the stakes. Gene Kranz recalls with a laugh that “. . . we thought he was crazy,” but the astronauts also felt energized to meet the new challenge.

NASA turned its efforts up a notch that summer. In July, Gus Grissom replicated Shepard’s short suborbital flight, and by the fall, NASA was ready to attempt putting a spacecraft in orbit. As a final test in preparation for a manned trip, a chimpanzee named Enos was launched into space in late November. The craft carrying Enos completed two orbits before landing safely back on earth, after which NASA announced that on December 20 of that year, John Glenn would make the first American orbital flight.

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