Institute for Defense Analyses
IDA headquarters (lower left) with Reagan National Airport in the background  | |
| Company type | Nonprofit | 
|---|---|
| Industry | Research | 
| Headquarters | ,  U.S.  | 
Key people  | 
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| Revenue | $270 million (2021) | 
| Divisions | 
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| Website | www.ida.org | 
The Institute for Defense Analyses (IDA) is an American non-profit corporation that administers three federally funded research and development centers (FFRDCs) – the Systems and Analyses Center (SAC), the Science and Technology Policy Institute (STPI), and the Center for Communications and Computing (C&C) – to assist the United States government in addressing national security issues, particularly those requiring scientific and technical expertise. It is headquartered in Alexandria, Virginia.