What Happened to NASA's Liberty Bell 7 After It Sank in the Atlantic?

NASA’s Mercury capsule Liberty Bell 7 sank in the Atlantic Ocean on July 21, 1961, and remained on the seafloor for 38 years until a salvage team led by Curt Newport raised it in July 1999 from nearly 16,000 feet — finding the dimes and signed dollar bills astronaut Gus Grissom had stowed inside still largely intact.

A Perfect Mission That Ended with a Sinking

Liberty Bell 7 was America’s second crewed spacecraft, and the mission itself went flawlessly. Astronaut Gus Grissom completed a 15-minute suborbital flight on July 21, 1961, splashing down safely in the Atlantic about 300 miles off Cape Canaveral. Then, without warning, the side hatch blew open.

The capsule flooded and began to sink almost immediately. Recovery helicopters were close but couldn’t lift the waterlogged capsule free in time. Grissom himself nearly drowned — his spacesuit filling with seawater through an open oxygen inlet — before he was pulled to safety. Liberty Bell 7 slipped beneath the surface and was gone.

Did Gus Grissom Accidentally Trigger the Hatch?

The question haunted Grissom for the rest of his life. He consistently denied touching the hatch plunger, and the physical evidence supported him: other astronauts who manually fired similar hatches suffered visible hand bruising, and Grissom had none.

Fellow astronaut Wally Schirra tried to trigger the same style of plunger accidentally during tests and could not do it. No definitive cause was ever proven. A 2021 analysis of enhanced recovery film raised a new hypothesis — that static electricity from the hovering helicopter may have arced to the capsule as its crew cut the antenna, inadvertently firing the hatch. It remains unconfirmed. The hatch has never given up a confession.

How Curt Newport’s Team Found It in 1999

By the spring of 1999, salvage specialist Curt Newport had assembled a recovery team backed by the Discovery Channel. They went back to basics: 1961 ship logs and tracking-radar records were used to calculate a 24-square-mile search zone on the seafloor. A side-scan sonar was dragged methodically across the bottom, mapping 88 potential targets.

On the very first ROV dive into that target list, they found Liberty Bell 7 — sitting upright on a sandy knoll, its window and parachute compartment liner still intact after nearly four decades. The capsule was raised two months later in July 1999.

What the Ocean Preserved

When the recovery team cleaned out the capsule, they made a remarkable find: the dimes and signed dollar bills Grissom had carried as personal mementos were still there, the bills wrapped in plastic tubing that had kept them largely protected through 38 years at crushing ocean depth. The preservation was a direct result of the capsule remaining sealed — the very flooding that sank it had helped maintain an internal environment that slowed deterioration.

The Discovery Channel documented the entire operation and aired a documentary about the recovery. It remains one of the deepest successful recoveries of a crewed spacecraft in history.

Where Liberty Bell 7 Is Today

Liberty Bell 7 now belongs to the Cosmosphere in Hutchinson, Kansas, where it is on permanent public display. Most of the recovered dimes stayed with the capsule as part of the collection. The spacecraft is one of the few surviving Mercury capsules, and its long story — from Cold War triumph to mysterious sinking to deep-sea resurrection — makes it one of the most compelling artifacts in American space history.

The cause of the hatch failure remains officially undetermined.