Astronaut Neil A. Armstrong (center), is greeted by friends in the crew reception area of the Lunar Receiving Laboratory. Dr. Gilruth is pictured just to right of Armstrong. Donald K. Slayton, Director of Space Flight Crew Operations, is behind ArmstrongThe Apollo 11 crew left the crew reception area of the Lunar Receiving Laboratory at 9 p.m., Aug. 10, 1969.