Statements (28)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:codebreaking_operation | 
| gptkbp:alsoKnownAs | gptkb:Ultra | 
| gptkbp:beganIn | 1939 | 
| gptkbp:class | Top Secret | 
| gptkbp:conductedBy | gptkb:United_Kingdom gptkb:United_States | 
| gptkbp:contributedTo | Allied victory in World War II | 
| gptkbp:declassified | 1970s | 
| gptkbp:endDate | 1945 | 
| gptkbp:influenced | computer science modern cryptography | 
| gptkbp:location | gptkb:Bletchley_Park | 
| gptkbp:notablePerson | gptkb:Alan_Turing gptkb:Hugh_Alexander gptkb:Dilly_Knox gptkb:Gordon_Welchman gptkb:Mavis_Batey gptkb:Marian_Rejewski | 
| gptkbp:partOf | gptkb:World_War_II | 
| gptkbp:relatedTo | gptkb:Allied_intelligence gptkb:crypt gptkb:SIGINT | 
| gptkbp:resultedIn | decryption of German military communications | 
| gptkbp:target | gptkb:Lorenz_cipher German Enigma machine | 
| gptkbp:bfsParent | gptkb:German_U-boats | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | Ultra codebreaking |