One of the signs near the Apollo boilerplate. It reads
Apollo 11 Flotation Collar
On July 24, 1969, at the end of its historic Moon landing mission, the Apollo
11 command module Columbia splashed down in the Pacific, about
24 kilometers (15 miles) from the aircraft carrier USS Hornet.
Navy swimmers jumped from a recovery helicopter into the water near the command
module to stabilize it. They attached and inflated around it a custom-made
flotation collar. To the flotation collar they fastened a large, seven-person
raft. The three astronauts emerged from the spacecraft, climbed into the raft,
and donned special Biological Isolation
Garments in preparation for their transfer to a quarantine facility on the
The flotation collar attached to this command module trainer is the actual unit
deployed during the recovery of Apollo 11.