Looking through the window of a Mobile Quarantine Facility (MQF) are (L to R) astronauts Neil A. Armstrong, Edwin E. Aldrin Jr., and Michael Collins speak with their wives (L to R) Mrs Pat Collins, Mrs Jan Armstrong, and Mrs Joan Aldrin at Ellington Air Force Base in this July 27, 1969 NASA handout photo. [Photo/Agencies]

Apollo 11 astronaut Neil A. Armstrong, commander of the Apollo 11 flight, greets his son Mark, on the telephone intercom system, while his wife Jan and his other son Eric look on at Ellington Air Force Base in this July 27, 1969 NASA handout photo. [Photo/Agencies]