page_title: Mobile quarantine facility
hierarchical_section_title: Mobile quarantine facility
caption_attribution_description: English: President Richard M. Nixon was in the central Pacific recovery area to welcome the Apollo 11 astronauts aboard the USS Hornet, prime recovery ship for the historic Apollo 11 lunar landing mission. Already confined to the Mobile Quarantine Facility (MQF) are (left to right) Neil A. Armstrong, commander; Michael Collins, command module pilot; and Edwin E. Aldrin Jr., lunar module pilot. Apollo 11 splashed down at 11:49 a.m. (CDT), July 24, 1969, about 812 nautical miles southwest of Hawaii and only 12 nautical miles from the USS Hornet.
context_page_description: The mobile quarantine facility is a converted Airstream trailer used by NASA to quarantine astronauts returning from Apollo lunar missions for the first few days after splashdown. The MQF was on the aircraft carrier that picked up the capsule. Once the aircraft carrier reached port, the MQF was flown to Houston, and the crew served the remainder of the 21 days of quarantine in the Lunar Receiving Laboratory at the Manned Spacecraft Center. The purpose of the quarantine was to prevent the spread of any contagions from the Moon, though the existence of such contagions was considered unlikely. It functioned by maintaining a lower pressure inside and filtering any air vented.
  In June of 1967, NASA awarded contract to design and build the four MQF's to Melpar, Inc., of Falls Church, VA. Lawrence K. Eliason was the head project manager.
  The MQF contained living and sleeping facilities as well as communications equipment which the astronauts used to converse with their families. The Apollo 11 crew also used this equipment to speak with President Nixon who personally welcomed them back to Earth aboard the recovery ship USS Hornet after splashdown.
context_section_description: The mobile quarantine facility (MQF) is a converted Airstream trailer used by NASA to quarantine  astronauts returning from Apollo lunar missions for the first few days after splashdown. The MQF was on the aircraft carrier that picked up the capsule. Once the aircraft carrier reached port, the MQF was flown to Houston, and the crew served the remainder of the 21 days of quarantine in the Lunar Receiving Laboratory at the Manned Spacecraft Center.  The purpose of the quarantine was to prevent the spread of any contagions from the Moon, though the existence of such contagions was considered unlikely.  It functioned by maintaining a lower pressure inside and filtering any air vented.
  In June of 1967, NASA awarded contract to design and build the four MQF's to Melpar, Inc., of Falls Church, VA.  Lawrence K. Eliason was the head project manager.
  The MQF contained living and sleeping facilities as well as communications equipment which the astronauts used to converse with their families.  The Apollo 11 crew also used this equipment to speak with President Nixon who personally welcomed them back to Earth aboard the recovery ship USS Hornet after splashdown.
  The trailers housed the three crew as well as a physician and an engineer who ran the MQF and powered down the command module.
  Four MQFs were built for NASA:
  The quarantine requirement was eliminated following Apollo 14 once it was proven the Moon was sterile and that the facilities were therefore unnecessary.
caption: The crew of Apollo 11 in quarantine after returning to Earth, visited by Richard Nixon.
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