BRUSA Agreement
E43159
The BRUSA Agreement was a World War II-era intelligence-sharing pact between the United States and the United Kingdom that laid the foundation for modern Anglo-American signals intelligence cooperation.
Aliases (1)
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
World War II–era agreement
→
bilateral treaty → intelligence-sharing agreement → |
| alsoKnownAs |
BRUSA Signals Intelligence Agreement
→
|
| appliesTo |
Axis powers’ communications during World War II
→
|
| category |
United States–United Kingdom relations
→
World War II treaties → military intelligence agreements → |
| confidentiality |
classified at the time of signing
→
|
| dateSigned |
1943-05-17
→
|
| establishedCooperationBetween |
U.S. Army Security Agency and British Government Code and Cypher School
→
U.S. Navy communications intelligence organizations and British Government Code and Cypher School → |
| geopoliticalBloc |
Anglo-American intelligence community
→
|
| historicalSignificance |
first formal comprehensive SIGINT-sharing pact between the United States and the United Kingdom
→
key step in institutionalizing postwar intelligence cooperation → |
| includedProvision |
coordination of codebreaking priorities
→
mutual exchange of cryptographic information → sharing of intercepted enemy communications → standardization of security classifications and handling procedures → |
| influenceOn |
UKUSA Agreement
→
|
| involvedOrganization |
Bletchley Park
→
Government Code and Cypher School → U.S. Army Security Agency → U.S. Navy communications intelligence units → |
| laidFoundationFor |
Five Eyes intelligence-sharing framework
→
modern Anglo-American signals intelligence cooperation → |
| language |
English
→
|
| legalNature |
secret wartime agreement
→
|
| placeSigned |
Washington, D.C.
→
|
| primaryParties |
British Government Code and Cypher School
→
United States Army and Navy → |
| purpose |
to coordinate cryptanalytic and codebreaking efforts
→
to formalize signals intelligence cooperation between the United States and the United Kingdom → to regulate the exchange of communications intelligence (COMINT) → to standardize security procedures for handling intercepted communications → |
| relatedTo |
Five Eyes alliance
→
UKUSA Agreement of 1946 → |
| scope |
global wartime communications interception and analysis
→
|
| signatoryCountry |
United Kingdom
→
United States → |
| status |
superseded by later UKUSA arrangements
→
|
| subjectMatter |
codebreaking cooperation
→
communications intelligence → signals intelligence → |
| wartimeContext |
Second World War
→
|
Referenced by (2)
| Subject (surface form when different) | Predicate |
|---|---|
|
BRUSA Agreement
("BRUSA Signals Intelligence Agreement")
→
|
alsoKnownAs |
|
Anglo-American intelligence cooperation
→
|
relatedAgreement |