| Acronym | Meaning |
 | OSL | Open Source License - Optically Stimulated Luminescence - Orbiting Solar Laboratory |
| PM | Panama (FIPS 10-4 Country Code) -Perry Mason - Phase Modulation - Post Meridiem (Latin After Noon) - Prime Minister - Project Manager -Saint Pierre And Miquelon (ISO 3166 Digram) |
| PR | Public Relations -Puerto Rico (postal Symbol; ISO 3166 Digram) |
| AVDLR | Aviation Depot Level Repair |
| TOW | Tube-launched |
| BL | Bolivia (FIPS 10-4 Country Code) -British Leyland |
| OGX | OUARGLA -a Petrolium State In The South Of Algeria |
| MANPRINT | MANpower And PeRsonnel INTegration |
| CFLCC | Coalition Forces Land Component Command |
| SHRA | Rain Showers (METAR Code) |
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