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Station HYPO

Celebrating the Past, Present and Future of Navy Cryptology

53 Years Ago Today DEFSMAC was Established

On April 27, 1964 the U.S. Department of Defense (DoD) Defense Special Missile and Aerospace Center (DEFSMAC) was established.
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Remembering STG Jay Kingery, USMC, KIA Vietnam

Born in Chardon, Ohio, SGT Jay Kingery was assigned to Sub-Unit #1, 1st Radio Battalion, III Marine Amphibious Force.  His MOS/Specialty was 2571 (Special Radio Operator).
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Part 5 of 5: Battle of Coral Sea – The Battle!

As May 6 wore on, the MO striking force ran into troubles on its own, stemming from a mixture of poor intelligence, weak reconnaissance, and terrible weather.
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Part 4 of 5: Battle of Coral Sea – Guess the Gaps

Organized against the Imperial Japanese Naval armada were Task Forces 17 and 11, assembled around the USS Yorktown (CV 5) and USS Lexington (CV 2) respectively, and a third task force of Australian and U.S. cruisers under British RADM John Crace.
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Part 3 of 5: Battle of Coral Sea – Japanese Planned Scheme of Maneuver

From Operation Order No. 1 and related messages that followed in quick succession, CDR Rochefort’s analysist pieced together the Fourth Fleet’s order of battle, the disposition of its forces and objectives.
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Part 2 of 5: Battle of Coral Sea – What did “MO” designate?

If ADM Nimitz needed any more evidence confirming the magnitude of the Japanese effort, he got it on April 24 when one of CDR Rochefort’s newest codebreakers, Japanese linguist LT Joseph Finnegan discovered a reference to a new organization, the “MO” covering force!”
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