Neil Armstrong: First Man in Orbit

Overview
What if Neil Armstrong became the first man in orbit with a X-15B spacecraft?

Timeline
1912: British ship Titanic is set for transatlantic voyage. Before that the ship's second officer David Blair was removed from the rooster, but he managed to hand the key to the locker containing a binocular to his replacement. This would help Titanic to avoid icebergs and arrive New York safely.

November 1952: The Ivy Mike thermonuclear bomb fizzles due to unforeseen technical errors.

August 1953: The Soviet Union successfully tested the world's first hydrogen bomb with their RDS-6 weapon. This shocked the U.S. which began to plan a response to this.

October 4, 1957: USSR launched Sputnik 1 into space, which is the first artificial satellite.

December 6, 1957: USA launched Vanguard 1 into space.

1958: NASA is formed. The X-15 spaceplane project commences.

1959: USSR's Luna 1  is the first to impact the Moon.

July 1960: Chuck Yeager became the first man in space when he rode a X-15 spacecraft above the Karman line.

March 1961: An X-15B spacecraft carries Neil Armstrong into orbit, hence became the first man to do so. At the same time Alan Shepard became the first man to ride a ballistic rocket into space.

April 1961: USSR sent Gagarin into orbit as a response.

1963: In this TL Kennedy is not assassinated.

1965: Alexei Leonov is the first man to walk in space.

1969: As a growing detente between the two superpowers, US and USSR launched a mission together to the Moon.

1975: By this time the USA set up the first lunar base.

1991: Death of USSR.

1996: NASA Mars probe Sojourner is launched.

1998: The International Lunar Base is completed.

2010: Japanese spacecraft IKAROS became the world's first interplanetary solar sail spacecraft.