Directorate of the Special Units (DSU), formerly known as Special Intervention Squadron (French: Escadron spécial d’intervention, ESI), is Belgian Federal Police’s Counter-Terrorism and SWAT unit.
| Short Form | ESI |
|---|---|
| Full Form | Escadron Spécial d’Intervention French [Special Intervention Squadron] |
| Category | Governmental > Weapons & Forces |
| Country | Belgium |
| Popularity |
| S.No. | Short Form | Full Form | Category | Country | Popularity |
|---|---|---|---|---|---|
| 1 | ESI | Employees’ State Insurance | Governmental > Policies & Programs | India | |
| 2 | ESI | Electrospray Ionization | Academic & Science > Chemistry | Worldwide | |
| 3 | ESI | Electro Scientific Industries | Business > Companies & Corporations | United States | |
| 4 | ESI | Erwin Schrödinger International Institute for Mathematical Physics | Academic & Science > Research & Development | Austria | |
| 5 | ESI | Educational Services Institute | Business > Companies & Corporations | United States | |
| 6 | ESI | European Software Institute | Associations & Organizations > Technological Organizations | Worldwide | |
| 7 | ESI | European Stability Initiative | Associations & Organizations > Non-Profit Organizations | Worldwide | |
| 8 | ESI | Ernst Strüngmann Institute for Neuroscience in Cooperation with Max Planck Society | Academic & Science > Research & Development | Germany | |
| 9 | ESI | Edge Side Includes | Computing > Internet | Worldwide | |
| 10 | ESI | Electronically Stored Information | Governmental > Law & Legal | United States | |
| 11 | ESI | Espinosa Airport | Transport & Travel > Airport Codes | Brazil | |
| 12 | ESI | Enclosure Services Interface | Computing > Protocols | Worldwide | |
| 13 | ESI | Emergency Severity Index | Medical > Hospitals | Worldwide | |
| 14 | esi | North Alaskan Inupiatun | Regional > Language Codes | United States | |
| 15 | ESI | Earth Similarity Index | Academic & Science > Astronomy & Space Science | Worldwide | |
| 16 | ESI | Electromagnetic Source Imaging | Technology > Medical | Worldwide | |
| 17 | ESI | Environmental Seismic Intensity | Academic & Science > Geology | Worldwide | |
| 18 | ESI | Environmental Sustainability Index | Academic & Science > History & Geography | Worldwide | |
| 19 | ESI | Epidural Steroid Injection | Medical > Treatments & Procedures | Worldwide | |
| 20 | ESI | Escadron Spécial d’Intervention French [Special Intervention Squadron] | Governmental > Weapons & Forces | Belgium | |
| 21 | ESI | Export Substitution Industrialization | Business > Business Terms | Worldwide | |
| 22 | ESI | EcoTopia Science Institute | Academic & Science > Research & Development | Japan |
| S.No. | Short Form | Full Form | Country | Popularity |
|---|---|---|---|---|
| 1 | AK47 | Avtomat Kalashnikova 1947 | Worldwide | |
| 2 | SAM | Surface To Air Missile | Worldwide | |
| 3 | WMD | Weapons of Mass Destruction | Worldwide | |
| 4 | CRPF | Central Reserve Police Force | India | |
| 5 | CISF | Central Industrial Security Force | India | |
| 6 | ABL | Airborne Laser | Worldwide | |
| 7 | IND | Improvised Nuclear Devices | Worldwide | |
| 8 | SWAT | Special Weapons And Tactics | Worldwide | |
| 9 | ABM | Anti-ballistic Missile | Worldwide | |
| 10 | RPG | Rocket-propelled Grenade | Worldwide | |
| 11 | BSF | Border Security Force | India | |
| 12 | MG | Machine Gun | Worldwide | |
| 13 | RAR | Royal Australian Regiment | Australia | |
| 14 | SPR | Special Purpose Rifle | United States | |
| 15 | ITBP | Indo-Tibetan Border Police | India | |
| 16 | RAF | Rapid Action Force | India | |
| 17 | PGM | Precision Guided Munition | Worldwide | |
| 18 | ARM | Anti-Radiation Missile | Worldwide | |
| 19 | UNDOF | United Nations Disengagement Observer Force | United Nations | |
| 20 | UNIFIL | United Nations Interim Force in Lebanon | United Nations | |
| 21 | BAR | Browning Automatic Rifle | Worldwide | |
| 22 | ICBM | Intercontinental Ballistic Missile | Worldwide | |
| 23 | TASER | Thomas A. Swift’s Electric Rifle | Worldwide | |
| 24 | SBS | Special Boat Service | United Kingdom | |
| 25 | SBR | Short Barreled Rifle | United States | |
| 26 | PNG | Pennsylvania National Guard | United States | |
| 27 | EA | Ejército del Aire Spanish [Spanish Air Force] | Spain | |
| 28 | INSAS | Indian Small Arms System | India | |
| 29 | ATM | Anti-Tank Missile | Worldwide | |
| 30 | ACM | Advanced Cruise Missile | United States | |
| 31 | DET | Distributed Explosive Technology | India | |
| 32 | DET | Directed Enforcement Team | United States | |
| 33 | SMU | Special Mission Unit | Worldwide | |
| 34 | CAR | Colt Automatic Rifle | Worldwide | |
| 35 | ADT | Active Denial Technology | United States | |
| 36 | RAM | Rolling Airframe Missile | Worldwide | |
| 37 | SPM | Shots Rer Minute | Worldwide | |
| 38 | AAA | Anti-Aircraft Artillery | Worldwide | |
| 39 | SAG | Special Action Group | India | |
| 40 | MGF | Mobile Guerrilla Force | United States | |
| 41 | BOSS | Ballistic Optimizing Shooting System | Worldwide | |
| 42 | ADM | Armas de Destrucción Masiva (Weapons of Mass Destruction) | Spain | |
| 43 | ADM | Atomic Demolition Munition(s) | Worldwide | |
| 44 | ESI | Escadron Spécial d’Intervention French [Special Intervention Squadron] | Belgium | |
| 45 | SVD | Snaiperskaya Vintovka Dragunova (Dragunov Sniper Rifle) | Worldwide | |
| 46 | AMP | Air Member for Personnel | Australia | |
| 47 | Ammo | Ammunition | Worldwide | |
| 48 | SRT | Special Rescue Team | Japan |