| Acronym | Meaning |
 | RSPB | (UK) Royal Society For The Protection Of Birds |
| OTOH | On The Other Hand |
| IM | Isle Of Man (FIPS 10-4 Territory Code) -Instant Message (internet Speech) |
| BAM | Bambara Language (ISO 639-2 Code) |
| QAP | Quadripartite Advisory Publication (kwapp) |
| MIS | Management Information Systems - Museum Information System |
| LISA | Laser Interferometer Space Antenna |
| ATA | Advanced Technology Attachment (IBM Personal Computer) - Afghan Transitional Authority - Allen Telescope Array -Antarctica (ISO 3166 Trigram) |
| C2W OR C?W | Command And Control Warfare |
| SIP | Session Initiation Protocol - State Implementation Plan - System Improvement Program - Systematic Investment Plan |
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