Apollo 10 returns to Earth
Apollo 10 was the fourth manned mission in the US Apollo space program, and the second to orbit the Moon. Splashdown occurred in the Pacific Ocean at 16:52:23 UTC, about 400 nautical miles east of American Samoa. Apollo 10 set the record for the highest speed attained by a manned vehicle: 39,897 km/h during the return from the Moon.