| Acronym | Meaning |
 | JTRS | Joint Tactical Radio System (jitters) |
| FWF | Fixed Word Format |
| PIM | Parameterized Ionospheric Model - Path Of Intended Motion - Pediatric Index Of Mortality - Personal Information Manager/Management - Presence And Interworking Mobility - Processor-In-Memory - Program Integration Manager - Protocol Independent Multicast |
| TGK | Tajik Language (ISO 639-2 Code) |
| MASINT | Measurement And Signature Intelligence |
| ASD(ISA) | (U.S.) Assistant Secretary Of Defense (International Security Affairs) |
| SR | Serbian Language (ISO 639-1 Code) |
| EPIRB | Emergency Position Indicating Radio Beacon |
| NAS | National Academy Of Sciences - National Air Space - National Audubon Society - Naval Air Station - New Attack Submarine |
| NIDRR | National Institute On Disability Research And Rehabilitation |
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