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Metal Gear Solid Delta Snake Eater (MGS3 Remake)
Friendly Fire Trophy Guide: How to Call in Fire Support
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Friendly Fire is a trophy requiring you to call in a fire support in Metal Gear Solid Delta: Snake Eater (MGS Delta). Read on to learn how to earn this trophy and for its full list of frequencies.
List of Contents
All Fire Support Radio Frequencies
| Location | Easy | Normal | Hard | Extreme |
|---|---|---|---|---|
| Bolshaya Past South | 140.73 | 141.62 | 147.23 | 146.14 |
| Bolshaya Past Base | - | - | 148.63 | 148.17 |
| Ponizovje West | 145.28 | 142.12 | 140.36 | 143.2 |
| Ponizovje Warehouse: Exterior | 143.89 | 147.32 | 144.19 | 148.98 |
| Ponizovje Warehouse | 144.03 | 148.56 | 142.91 | 140.22 |
| Graniny Gorki Lab Exterior | 143.61 | 146.74 | 149.84 | 147.82 |
| Svyatogornyj West | 144.93 | 141.31 | 141.79 | - |
| Svyatogornyj East | 147.04 | 149.29 | 142.86 | 145.8 |
| Krasnogorje Mountain Base | 143.98 | 145.68 | 149.52 | 141.03 |
| Krasnogorje Mountainside | 144.39 | 147.9 | 149.12 | 146.46 |
| Krasnogorje Mountaintop | 143.56 | 140.09 | 142.29 | 145.99 |
| Zaozyorje East | 149.06 | 146.33 | 148.31 | 146.82 |
How to Call in Fire Support
Interrogate a Soldier to Get the Radio Frequency
Fire support requests require you to first interrogate an enemy soldier. Simply tuning into the right frequency without interrogation will not trigger a response, so make sure you extract the information before trying to call.
How to Grab and Interrogate Enemies
Call in the Radio Frequency to Launch a Strike
To have the enemy forces launch a bombing strike on their own troops, you need to call in the fire support frequency in the Radio.
| ① | 
Press and hold the down button (PS5/Xbox) or 2 (PC) to open the Radio Window and then press △ (PS5), Y (Xbox), or R (PC) to open the Radio Screen. |
|---|---|
| ② | 
Tune your radio to the fire support frequency. |
| ③ |  Press X (PS5), A (Xbox), or F (PC) button to request fire support. |
Keep in mind that fire support is not available in every area or story section.
Reward for Calling in Fire Support
Friendly Fire Trophy
 Bronze
|
Friendly Fire |
|---|---|
| Call in fire support. |
Once you successfully call in fire support, enemy forces will launch a bombing strike on their own troops, and the trophy will unlock.
Metal Gear Solid Delta Related Guides
Trophy Guides
Author
Metal Gear Solid Delta: Snake Eater Walkthrough & Guides Wiki
Friendly Fire Trophy Guide: How to Call in Fire Support
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The Fire Support frequency for Svyatogornyj East is incorrect. 142.86 is the codec you RECIEVE in the East, meanwhile the actual area you use it is Svyatogornyj WEST.