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USA 227
Launch Details
| Launched | 10 March 2011 |
| Flight ended | – |
| Status | Operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 37377 |
| COSPAR ID | 2011-011A |
| Alternative names |
NROL-27 |
| Observing |
Launched alongside
DELTA 4 R/B