Moon by the Soviet Union's Luna 2, an unmanned spacecraft. The United States' NASA Apollo program achieved the only manned lunar missions to date, beginning with the first manned orbital mission by Apollo 8 in 1968, and six manned landings between 1969 and 1972, with the first being Apollo 11. These missions returned lunar rocks which have been used to develop a geological understanding of the Moon's origin, internal structure, and the Moon's later history. Since the Apollo 17 mission in 1972, the Moon has been visited only by unmanned spacecraft. Both the Moon's natural prominence in the earthly sky and
The Mouse on the Moon Mountjoy invites the Americans, Soviets, and British to the launching. To everyone's surprise, the rocket leisurely takes off with Kokintz and Vincent aboard. Kokintz calculates it will take three weeks to reach the Moon. Humiliated, the Americans and Soviets decide to risk sending their own manned rockets, timing it so they will land at the same time as (or a little before) Grand Fenwick's ship. However, Vincent accidentally hits a switch, speeding up the vessel, and he and Kokintz become the first to set foot on the Moon. The latecomers are greatly disappointed. When the Americans and Soviets try to