Terminology Guide
| Acronym/Term | Full Form | Meaning/Use | Example |
|---|---|---|---|
| HLZ | Helicopter Landing Zone | Designated landing area for helicopters (primary/alternate). | Consolidate at HLZ Bravo. |
| LZ | Landing Zone | Any aircraft landing site (rotary or fixed wing). | Secure LZ Eagle. |
| CHALK | (not an acronym) | Group assigned to a single aircraft, vehicle, or serial, often numbered (Chalk 1, 2, etc.). | Chalk 3, prep for insertion. |
| SLLS | Stop, Look, Listen, Smell | Security halt to detect threats using all senses. | Conduct SLLS at each halt. |
| ORP | Objective Rally Point | Covered site near objective for prep and reorg. | Set ORP before movement. |
| OP | Observation Post | Concealed position for surveillance/observation. | OP set on the ridge. |
| LP/OP | Listening/Observation Post | Early warning/recon position. | LP/OPs set on perimeter. |
| RP | Release Point | Point where elements split to execute tasks. | Teams split at the RP. |
| WP | Waypoint | Navigation checkpoint or marker. | Regroup at WP2 if separated. |
| LOA | Limit of Advance | Farthest authorized point for movement or assault. | Do not cross LOA. |
| SBF | Support By Fire | Position providing suppressive fire for maneuver units. | SBF begins on green flare. |
| ISO | In Support Of | Element supports another unit/mission. | SBF ISO Alpha's breach. |
| NAI | Named Area of Interest | Area focused on for recon or ISR. | ISR focused on NAI 3. |
| OBJ | Objective | The target or mission end-state. | Seize OBJ Falcon. |
| PIR | Priority Intelligence Requirement | Commander’s critical info need for decision-making. | PIR: Enemy QRF location. |
| QRF | Quick Reaction Force | Standby rapid response/reinforcement team. | QRF staged at AA. |
| AA | Assembly Area | Secure location for prep/reorg before mission. | Rally at AA for brief. |
| SP | Start Point | Where movement or patrol begins. | Step off from SP at 0200Z. |
| MSR | Main Supply Route | Main logistics/convoy route. | Set OP on MSR Blue. |
| AOI | Area of Interest | Broader area of intel or op focus. | AOI is sector Bravo. |
| OFFSET | (not an acronym) | Move laterally from route/objective for security/approach. | Offset right 100m. |
| IN POSITION / SET | (not an acronym) | Unit is in assigned location and ready. | Bravo set, Alpha move. |
| RALLY | (not an acronym) | Regroup at a designated point. | Rally at RP Alpha. |
| FLEX | (not an acronym) | Redeploy/move to new task or position. | Flex upstairs for clearance. |
| STACK/STICK | (not an acronym) | Assault formation, usually single file. | Form a stick, stack on the door. |
| CLEARANCE | (not an acronym) | Permission to act/move. | Waiting for 111's clearance. |
| REFERENCE | (not an acronym) | Grid, landmark, or feature for location. | Reference grid 095132. |
| SSE | Sensitive Site Exploitation | Post-assault search for intel/evidence. | Conduct SSE after clearing. |
| VDO | Vehicle Drop-Off | Map marker/control measure indicating where vehicles will stop and personnel dismount to continue on foot. | Rally at VDO 1 and move dismounted to the ORP. |
| TRP | Target Reference Point | Pre-designated, easily identifiable point on the battlefield used for orientation, fire control, and communication. | Engage any movement near TRP 2. |
| One-Alpha (Tactic) | (not an acronym) | Assault method where all personnel form a line (online) and sweep forward through a linear objective (e.g., bunker/trench) to the LOA, engaging threats as a single element. | On command, execute One-Alpha through the bunker to the LOA. |
| SHIFT FIRE | (not an acronym) | Command to redirect suppressive fire. | Shift fire left 50 meters. |
| CHECK FIRE | (not an acronym) | Urgent halt to all firing (prevent fratricide). | Check fire! Friendlies danger close! |
| LIFT FIRE | (not an acronym) | Command to stop or raise fire from a specific area or target. | Lift fire! |
| NETCALL | (not an acronym) | Broadcast to all units on a net/frequency. | Netcall, SITREP in 5 mikes. |
| BEAD WINDOW | (not an acronym) | Warning to stop transmitting sensitive info (net not secure). | Bead Window, change topic. |
| BREAK | (not an acronym) | Separates distinct messages on radio. | Contact, BREAK, moving back. |
| WILCO | Will Comply | I will comply with your last instruction. | Wilco, out. |
| ROGER | (not an acronym) | Message received/understood. | Roger, acknowledged. |
| COPY | (not an acronym) | Message received (informal ack). | Copy, en route. |
| STANDBY | (not an acronym) | Wait for more instructions/info. | Standby for SITREP. |
| CONTACT | (not an acronym) | Enemy sighted/engaged. | Contact front! |
| NO JOY | (not an acronym) | No visual or negative on result. | No joy, searching. |
| VISUAL | (not an acronym) | Friendly or enemy in sight. | Visual on OBJ Falcon. |
| TALLY | (not an acronym) | Enemy in sight (air/ground). | Tally two hostiles. |
| WINCHESTER | (not an acronym) | Out of ammo/ordnance. | Winchester, need resupply. |
| DANGER CLOSE | (not an acronym) | Friendly forces near fire/ordnance. | Danger close, check fire! |
| CALLSIGN | (not an acronym) | Radio identifier for unit/person. | Send for Havoc 2. |
| FREQ | Frequency | Radio channel/frequency. | Switch to freq 305.0. |
| ZULU | (not an acronym) | UTC time (military time zone). | 0300 Zulu. |
| MIKE | (not an acronym) | Minutes. | Exfil in 5 mikes. |
| TRAFFIC | (not an acronym) | Radio message/communication. | Send your traffic. |
| ALL CALLSIGNS | (not an acronym) | Addressing all units/persons on net. | All callsigns, standby for SITREP. |
| ACTUAL | (not an acronym) | Denotes the unit/person in direct command. | This is Havoc Actual. |
| SEND IT | (not an acronym) | Ready to receive your message/traffic. | Send it, over. |
| OUT | (not an acronym) | End of transmission; no reply expected. | Roger, out. |
| OVER | (not an acronym) | End of message; reply expected. | Status update, over. |
| WAIT OUT | (not an acronym) | Wait; reply will follow. | Wait out, gathering info. |
| ROLLING OUT | (not an acronym) | Called when the front operator exits the stack (malfunction, reload, or injury), so the next can take point. | Rolling out! |
| PAX | Personnel | Number of individuals (friendly/enemy). | 2 enemy PAX, grid 095132. |
| POS | Position | Location; often “my pos” = “my location.” | Contact 100m north of my pos. |
| MAG | Magazine | Ammunition magazine. | Toss me a mag. |
| CUFFED/ZIP TIES | (not an acronym) | EPW (enemy prisoner) restraint/control. | One enemy cuffed upstairs. |
| ZAP | (not an acronym) | Unique individual identifier used for tracking, tasking, and reporting. Assigned per operator (e.g., VA1, VA2). | VA3 reports contact east of OBJ Red. / ZMIST: ZAP VA3, GSW to arm, bleeding controlled. |
| JTAC | Joint Terminal Attack Controller | Directs air support/CAS for ground units. | Requesting JTAC for CAS. |
| OVERWATCH | (not an acronym) | Team providing covering fire/observation. | Clear that site for overwatch to set in. |
| SUPPLEMENT | (not an acronym) | Take on extra/supporting task/role. | Supplement as quick JTAC. |
| ACE Report | Ammo, Casualties, Equipment | Readiness/status check. Color-coded: Green (good), Yellow (moderate), Red (low), Black (out). | Bravo, ACE: Black on ammo, 1 WIA. |
| SITREP | Situation Report | Brief update on current situation: position, contact, friendly/enemy status, logistics. | SITREP: At OBJ, cleared, negative contact, 1 WIA, holding. |
| SALUTE Report | Size, Activity, Location, Unit, Time, Equipment | Detailed enemy contact report format. | SALUTE: 4 pax, moving east, grid 094123, unknown unit, 1120Z, AKs. |
| SPOTREP | Spot Report (3 D's) | Rapid enemy contact format using: Distance, Direction, Description. | SPOTREP: 300m, northwest, 4x enemy dismounts with rifles in the open. |
| FRAGO | Fragmentary Order | Update/change to existing mission order. | FRAGO: Shift LOA 100m east. |
| ZMIST Report | Zap number, Mechanism, Injury, Signs/Symptoms, Treatment | Casualty report format used during MEDEVAC to track injury details and treatment. | ZMIST: 112, IED blast, shrapnel to leg, conscious, tourniquet applied. |
| MEDEVAC Request (9-Line) | 9-Line Medical Evacuation | Standard format for requesting a medical evacuation. Covers grid, urgency, patient type, enemy threat, and more. Often followed by a ZMIST. | 1. 1234 5678 2. "Viking 1", 30.00 3. 2 urgent 4. None 5. 1 litter, 1 ambulatory 6. Enemy in area, approach with caution 7. Marked by green smoke 8. U.S. Military 9. None |
| CAS Request (9-Line) | Close Air Support 9-Line | Used by JTAC to request and coordinate air-to-ground fires. Includes target location, mark, ordnance, friendlies, and egress. | 1. IP Bull, heading 270°, 5 NM 2. 1500 feet AGL 3. Tanks in the open 4. Grid 1234 5678 5. Laser code 1688 6. Friendlies west 200m 7. Danger close 8. 2x GBU-38, 30mm 9. Egress south |
| AAR | After Action Report | Post-operation summary capturing outcomes, key decisions, lessons learned, and recommendations. | AAR: OBJ cleared, 2x KIA, 1x EPW, comms delay during breach noted. |
| Training Brief | Training Operations Brief | Covers schedule, safety, objectives, and responsibilities prior to a training event. Required before field evolutions or ranges. | Training Brief at 0800 for urban movement lanes and live-fire safety review. |
| CONOP | Concept of Operations | High-level plan outlining the purpose, timeline, assets, and concept for a mission or training event. Often used for approval. | Submit CONOP for night recce training — insert via helo, OBJ Coldiron. |
| OPORD | Operations Order | Detailed mission/training directive structured in 5 paragraphs: Situation, Mission, Execution, Sustainment, Command & Signal. | Issue OPORD for full-mission profile dry run. |
| Backbrief | (not an acronym) | Subordinate leaders brief higher on their understanding of the mission/training plan. Confirms clarity and intent. | Team backbriefs to confirm insertion timing and route plan. |
| Rehearsal Brief | (not an acronym) | Pre-execution walk-through or dry run of the mission/training plan to ensure readiness and coordination. | Conduct rehearsal brief on mock OBJ at 0600. |
| Inject Brief | (not an acronym) | Delivered by training control during scenarios to add realism or shift tempo. Often scripted in full-mission profiles. | Inject Brief: “You’ve taken contact — 1 WIA, respond accordingly.” |
| Pickup Zone | PZ | Designated location for helicopter or vehicle extraction of personnel. Used in both training and operations to simulate realistic evacuation, casualty collection, or tempo shifts. Often marked or pre-briefed, but can also be dynamically assigned by higher. | Inject Brief: “Your patrol has completed the mission. Proceed to PZ Falcon for extraction. Maintain security until lift arrives.” |
| Acronym/Term | Full Form | Meaning/Use | Example |
|---|---|---|---|
| HLZ | Helicopter Landing Zone | Designated landing area for helicopters (primary/alternate). | Consolidate at HLZ Bravo. |
| LZ | Landing Zone | Any aircraft landing site (rotary or fixed wing). | Secure LZ Eagle. |
| CHALK | (not an acronym) | Group assigned to a single aircraft, vehicle, or serial, often numbered (Chalk 1, 2, etc.). | Chalk 3, prep for insertion. |
| SLLS | Stop, Look, Listen, Smell | Security halt to detect threats using all senses. | Conduct SLLS at each halt. |
| ORP | Objective Rally Point | Covered site near objective for prep and reorg. | Set ORP before movement. |
| OP | Observation Post | Concealed position for surveillance/observation. | OP set on the ridge. |
| LP/OP | Listening/Observation Post | Early warning/recon position. | LP/OPs set on perimeter. |
| RP | Release Point | Point where elements split to execute tasks. | Teams split at the RP. |
| WP | Waypoint | Navigation checkpoint or marker. | Regroup at WP2 if separated. |
| LOA | Limit of Advance | Farthest authorized point for movement or assault. | Do not cross LOA. |
| SBF | Support By Fire | Position providing suppressive fire for maneuver units. | SBF begins on green flare. |
| ISO | In Support Of | Element supports another unit/mission. | SBF ISO Alpha's breach. |
| NAI | Named Area of Interest | Area focused on for recon or ISR. | ISR focused on NAI 3. |
| OBJ | Objective | The target or mission end-state. | Seize OBJ Falcon. |
| PIR | Priority Intelligence Requirement | Commander’s critical info need for decision-making. | PIR: Enemy QRF location. |
| QRF | Quick Reaction Force | Standby rapid response/reinforcement team. | QRF staged at AA. |
| AA | Assembly Area | Secure location for prep/reorg before mission. | Rally at AA for brief. |
| SP | Start Point | Where movement or patrol begins. | Step off from SP at 0200Z. |
| MSR | Main Supply Route | Main logistics/convoy route. | Set OP on MSR Blue. |
| AOI | Area of Interest | Broader area of intel or op focus. | AOI is sector Bravo. |
| OFFSET | (not an acronym) | Move laterally from route/objective for security/approach. | Offset right 100m. |
| IN POSITION / SET | (not an acronym) | Unit is in assigned location and ready. | Bravo set, Alpha move. |
| RALLY | (not an acronym) | Regroup at a designated point. | Rally at RP Alpha. |
| FLEX | (not an acronym) | Redeploy/move to new task or position. | Flex upstairs for clearance. |
| STACK/STICK | (not an acronym) | Assault formation, usually single file. | Form a stick, stack on the door. |
| CLEARANCE | (not an acronym) | Permission to act/move. | Waiting for 111's clearance. |
| REFERENCE | (not an acronym) | Grid, landmark, or feature for location. | Reference grid 095132. |
| SSE | Sensitive Site Exploitation | Post-assault search for intel/evidence. | Conduct SSE after clearing. |
| VDO | Vehicle Drop-Off | Map marker/control measure indicating where vehicles will stop and personnel dismount to continue on foot. | Rally at VDO 1 and move dismounted to the ORP. |
| TRP | Target Reference Point | Pre-designated, easily identifiable point on the battlefield used for orientation, fire control, and communication. | Engage any movement near TRP 2. |
| One-Alpha (Tactic) | (not an acronym) | Assault method where all personnel form a line (online) and sweep forward through a linear objective (e.g., bunker/trench) to the LOA, engaging threats as a single element. | On command, execute One-Alpha through the bunker to the LOA. |
| SHIFT FIRE | (not an acronym) | Command to redirect suppressive fire. | Shift fire left 50 meters. |
| CHECK FIRE | (not an acronym) | Urgent halt to all firing (prevent fratricide). | Check fire! Friendlies danger close! |
| LIFT FIRE | (not an acronym) | Command to stop or raise fire from a specific area or target. | Lift fire! |
| NETCALL | (not an acronym) | Broadcast to all units on a net/frequency. | Netcall, SITREP in 5 mikes. |
| BEAD WINDOW | (not an acronym) | Warning to stop transmitting sensitive info (net not secure). | Bead Window, change topic. |
| BREAK | (not an acronym) | Separates distinct messages on radio. | Contact, BREAK, moving back. |
| WILCO | Will Comply | I will comply with your last instruction. | Wilco, out. |
| ROGER | (not an acronym) | Message received/understood. | Roger, acknowledged. |
| COPY | (not an acronym) | Message received (informal ack). | Copy, en route. |
| STANDBY | (not an acronym) | Wait for more instructions/info. | Standby for SITREP. |
| CONTACT | (not an acronym) | Enemy sighted/engaged. | Contact front! |
| NO JOY | (not an acronym) | No visual or negative on result. | No joy, searching. |
| VISUAL | (not an acronym) | Friendly or enemy in sight. | Visual on OBJ Falcon. |
| TALLY | (not an acronym) | Enemy in sight (air/ground). | Tally two hostiles. |
| WINCHESTER | (not an acronym) | Out of ammo/ordnance. | Winchester, need resupply. |
| DANGER CLOSE | (not an acronym) | Friendly forces near fire/ordnance. | Danger close, check fire! |
| CALLSIGN | (not an acronym) | Radio identifier for unit/person. | Send for Havoc 2. |
| FREQ | Frequency | Radio channel/frequency. | Switch to freq 305.0. |
| ZULU | (not an acronym) | UTC time (military time zone). | 0300 Zulu. |
| MIKE | (not an acronym) | Minutes. | Exfil in 5 mikes. |
| TRAFFIC | (not an acronym) | Radio message/communication. | Send your traffic. |
| ALL CALLSIGNS/NET CALL | (not an acronym) | Addressing all units/persons on net. | All callsigns/Net Call, standby for SITREP. |
| ACTUAL | (not an acronym) | Denotes the unit/person in direct command. | This is Havoc Actual. |
| SEND IT | (not an acronym) | Ready to receive your message/traffic. | Send it, over. |
| OUT | (not an acronym) | End of transmission; no reply expected. | Roger, out. |
| OVER | (not an acronym) | End of message; reply expected. | Status update, over. |
| WAIT OUT | (not an acronym) | Wait; reply will follow. | Wait out, gathering info. |
| ROLLING OUT | (not an acronym) | Called when the front operator exits the stack (malfunction, reload, or injury), so the next can take point. | Rolling out! |
| PAX | Personnel | Number of individuals (friendly/enemy). | 2 enemy PAX, grid 095132. |
| POS | Position | Location; often “my pos” = “my location.” | Contact 100m north of my pos. |
| MAG | Magazine | Ammunition magazine. | Toss me a mag. |
| CUFFED/ZIP TIES | (not an acronym) | EPW (enemy prisoner) restraint/control. | One enemy cuffed upstairs. |
| ZAP | (not an acronym) | Unique individual identifier used for tracking, tasking, and reporting. Assigned per operator (e.g., VA1, VA2). | VA3 reports contact east of OBJ Red. / ZMIST: ZAP VA3, GSW to arm, bleeding controlled. |
| JTAC | Joint Terminal Attack Controller | Directs air support/CAS for ground units. | Requesting JTAC for CAS. |
| OVERWATCH | (not an acronym) | Team providing covering fire/observation. | Clear that site for overwatch to set in. |
| SUPPLEMENT | (not an acronym) | Take on extra/supporting task/role. | Supplement as quick JTAC. |
| ACE Report | Ammo, Casualties, Equipment | Readiness/status check. Color-coded: Green (good), Yellow (moderate), Red (low), Black (out). | Bravo, ACE: Black on ammo, 1 WIA. |
| SITREP | Situation Report | Brief update on current situation: position, contact, friendly/enemy status, logistics. | SITREP: At OBJ, cleared, negative contact, 1 WIA, holding. |
| SALUTE Report | Size, Activity, Location, Unit, Time, Equipment | Detailed enemy contact report format. | SALUTE: 4 pax, moving east, grid 094123, unknown unit, 1120Z, AKs. |
| SPOTREP | Spot Report (3 D's) | Rapid enemy contact format using: Distance, Direction, Description. | SPOTREP: 300m, northwest, 4x enemy dismounts with rifles in the open. |
| FRAGO | Fragmentary Order | Update/change to existing mission order. | FRAGO: Shift LOA 100m east. |
| ZMIST Report | Zap number, Mechanism, Injury, Signs/Symptoms, Treatment | Casualty report format used during MEDEVAC to track injury details and treatment. | ZMIST: 112, IED blast, shrapnel to leg, conscious, tourniquet applied. |
| MEDEVAC Request (9-Line) | 9-Line Medical Evacuation | Standard format for requesting a medical evacuation. Covers grid, urgency, patient type, enemy threat, and more. Often followed by a ZMIST. | 1. 1234 5678 2. 'Viking 1', 30.00 3. 2 urgent 4. None 5. 1 litter, 1 ambulatory 6. Enemy in area, approach with caution 7. Marked by green smoke 8. U.S. Military 9. None |
| CAS Request (9-Line) | Close Air Support 9-Line | Used by JTAC to request and coordinate air-to-ground fires. Includes target location, mark, ordnance, friendlies, and egress. | 1. IP Bull, heading 270°, 5 NM 2. 1500 feet AGL 3. Tanks in the open 4. Grid 1234 5678 5. Laser code 1688 6. Friendlies west 200m 7. Danger close 8. 2x GBU-38, 30mm 9. Egress south |
| AAR | After Action Report | Post-operation summary capturing outcomes, key decisions, lessons learned, and recommendations. | AAR: OBJ cleared, 2x KIA, 1x EPW, comms delay during breach noted. |
| Training Brief | Training Operations Brief | Covers schedule, safety, objectives, and responsibilities prior to a training event. Required before field evolutions or ranges. | Training Brief at 0800 for urban movement lanes and live-fire safety review. |
| CONOP | Concept of Operations | High-level plan outlining the purpose, timeline, assets, and concept for a mission or training event. Often used for approval. | Submit CONOP for night recce training — insert via helo, OBJ Coldiron. |
| OPORD | Operations Order | Detailed mission/training directive structured in 5 paragraphs: Situation, Mission, Execution, Sustainment, Command & Signal. | Issue OPORD for full-mission profile dry run. |
| Backbrief | (not an acronym) | Subordinate leaders brief higher on their understanding of the mission/training plan. Confirms clarity and intent. | Team backbriefs to confirm insertion timing and route plan. |
| Rehearsal Brief | (not an acronym) | Pre-execution walk-through or dry run of the mission/training plan to ensure readiness and coordination. | Conduct rehearsal brief on mock OBJ at 0600. |
| Inject Brief | (not an acronym) | Delivered by training control during scenarios to add realism or shift tempo. Often scripted in full-mission profiles. | Inject Brief: 'You’ve taken contact — 1 WIA, respond accordingly.' |
| Pickup Zone | PZ | Designated location for helicopter or vehicle extraction of personnel. Used in both training and operations to simulate realistic evacuation, casualty collection, or tempo shifts. Often marked or pre-briefed, but can also be dynamically assigned by higher. | “Your patrol has completed the mission. Proceed to PZ Falcon for extraction. Maintain security until lift arrives.” |