4 June 1944
Enigma Machine
Leads the first U.S. boarding party onto U-505 and secures sensitive cipher material, including Enigma equipment.
Historical place archive
Browse historical events and people recorded at Atlantic Ocean in United States of America. The records below are rendered directly from the World History Database into this page's initial HTML.
Leads the first U.S. boarding party onto U-505 and secures sensitive cipher material, including Enigma equipment.
Commands the hunter-killer group that captures U-505 with Enigma machines and current codebooks intact.
Leads the salvage effort that keeps U-505 afloat, preserving captured Enigma machines and codebooks for intelligence exploitation.
USS George Washington successfully fires Polaris missiles while submerged
The successful submerged launch of Polaris demonstrates the strategic value of ballistic missile submarines
USS George Washington begins the first Polaris deterrent patrol with nuclear armed submarine launched ballistic missiles
Dennison directs Atlantic Fleet support positioned outside Cuban waters.
After Grissom's successful Mercury flight, Liberty Bell 7 sinks following premature opening of the spacecraft's explosive hatch.
Returns with the Apollo 7 crew after the first successful crewed test of Apollo spacecraft systems.
Returns with McDivitt and Schweickart after the first crewed test of the complete Apollo spacecraft.
Returns with the Apollo 9 crew after successful testing of the complete Apollo spacecraft system.
Provenance
These entries are generated from stored World History Database records whose country and place fields match United States of America and Atlantic Ocean. Names, dates, event labels and descriptions are reviewed and normalised as the database develops. Historical place names may not match modern administrative boundaries.
This database is a research index. For formal scholarly citation, verify individual claims against appropriate primary, archival, academic or specialist sources.