Delta Force Black Site Guide: Best Order, Materials & Priority Tips
2026-07-21

This Delta Force Black Site Upgrade Guide focuses on the current Operations mode progression loop: keep the right barter items, unlock the strongest utility first, and avoid spending rare materials on the wrong branch.Check out this guide for the new map Nuclear Power Plant A23 in Delta Force Season 10.
The newest update also added batch submission for required upgrade items, which means you can clear multiple tiers in one pass instead of feeding them one by one.
What is Black Site
The Delta Force Black Site is the long-term progression layer inside Delta Force. Its upgrades decide how quickly you can grow your economy, how much you can hold, and how stable each raid feels once the fight starts.
The biggest payoffs are Stash Space, Auction House Pending Order Slots, Operations EXP, Max Load, and stamina-related bonuses from CSD and Pharmacy.
If you only want the short answer, treat storage, economy, and survivability as the three priorities that matter most early on.
Best Upgrade Order For Most Players
1. Stash first. Extra storage keeps your upgrade items, lowers forced selling, and makes every later branch easier to feed.
2. Central Command HQ next. This branch gives the best mix of Operations EXP and Auction House Pending Order Slots, so it improves both pace and convenience.
3. Workbench after that. Crafting progress is what turns random loot into the exact materials you are missing.
4. Pharmacy, CSD, and Firing Range come next depending on whether you need more stamina, more load, or more survivability.
5. Finish Cyber Warfare Division and Armor Bench once the economy is stable and the higher reputation gates are no longer a problem.
Delta Force Black Site Upgrade Reference by Department
The tables below keep the current upgrade tiers in one place so you can track exact unlocks without bouncing between menus.
Armor Bench
| 1st / Lv. 9 | 2x Data: Military Intel; Spy Pen; LCD Screen |
| 2nd / Lv. 21 | EV Battery; 2x Gold Crest; 2x Medical UAV; 3x Angle Grinder |
| 3rd / Lv. 33 | Fuel Cell; Encrypted Router; EV Battery |
| Tier / unlock | Requirements / rewards |
Central Command HQ
| Start | Level 1 is unlocked by default. |
| 2nd / Lv. 7 | 2x Data: Military Intel; 3x Relay; +1% Operations EXP; +2 Auction House Pending Order Slots |
| 3rd / Lv. 12 | RAM; 2x Medical UAV; LCD Screen; +4 Auction House Pending Order Slots |
| 4th / Lv. 22 | 2x ASOS Motherboard; 2x GS5 Controller; Spy Pen; +2% Operations EXP; +6 Auction House Pending Order Slots |
| 5th / Lv. 30 | 2x SLR Camera; Digital Camera; Encrypted Router; +8 Auction House Pending Order Slots |
| 6th / Lv. 44 | Quantum Storage; 2x Merit Medal; 2x SSD; 4x Radio; +4% Operations EXP; +10 Auction House Pending Order Slots |
| Tier / unlock | Requirements / rewards |
CSD (Combat Skills Development Center)
| 1st / Lv. 16 | Solar Panel; 3x Delta Force: Task Force Dagger; Mocha Coffee Pot; Socket Adapter; +1% Downed MSPD; +5 Max Stamina; +5% Stamina Recovery |
| 2nd / Lv. 24 | Wide-Angle Lens; 2x HiFi Soundcard; Intel Recorder; +10 Max Stamina; +10% Stamina Recovery |
| 3rd / Lv. 32 | Coffee; Cell Phone; 5x Gold Crest; +3% Downed MSPD; +16 Max Stamina; +16% Stamina Recovery |
| 4th / Lv. 38 | 2x Military Explosive; 2x Digital Camera; 5x Bone Saw; +22 Max Stamina; +22% Stamina Recovery |
| 5th / Lv. 46 | Fuel Cell; 3x Military Binoculars; 2x Ceremony Dagger; +6% Downed MSPD; +30 Max Stamina; +30% Stamina Recovery |
| 6th / Lv. 50 | Ventilator; Graphics Card; 4x Pure Gold Lighter; 7x EV Battery; +38 Max Stamina; +38% Stamina Recovery |
| 7th / Lv. 56 | Laptop; G.T.I. SATCOM Antenna; 10x Ahsarah Speciality Wine Glass; 7x Military Explosive; +10% Downed MSPD; +50 Max Stamina; +50% Stamina Recovery |
| Tier / unlock | Requirements / rewards |
Cyber Warfare Division
| 1st / Lv. 13 | GS5 Controller; Medical UAV; Relay |
| 2nd / Lv. 25 | 2x ASOS Motherboard; 2x HiFi Soundcard; Socket Adapter |
| 3rd / Lv. 37 | Graphics Card; 2x ASOS Motherboard; LCD Screen |
| Tier / unlock | Requirements / rewards |

Firing Range
| 1st / Ops Lv. 18 | 2x Mocha Coffee Pot; 2x Socket Adapter; 3x Relay; +3% Max Load |
| 2nd / Ops Lv. 26 | Military Thermal Imaging Device; LCD Screen; 2x Mocha Coffee Pot; +6% Max Load |
| 3rd / Ops Lv. 34 | 2x Wide-Angle Lens; 2x RAM; 2x Intel Recorder; +9% Max Load |
| 4th / Ops Lv. 40 | 3x Coffee; 2x Oximeter; Blood Pressure Meter; 2x Gas Tank; +12% Max Load |
| 5th / Ops Lv. 48 | 2x SLR Camera; 3x Lens; 3x Cell Phone; 6x Intel Recorder; +15% Max Load |
| 6th / Ops Lv. 54 | Smoothbore Gun Exhibit; 3x Military Satellite Communication Device; 2x CPU; 3x Pack of Cement; +20% Max Load |
| 7th / Ops Lv. 58 | Flight Recorder; Military Radio; 3x Military Satellite Communications Device; +25% Max Load |
| Tier / unlock | Requirements / rewards |
Pharmacy
| 1st / Ops Lv. 11 | Blood Pressure Meter; Socket Adapter |
| 2nd / Ops Lv. 23 | LEDX; 3x Bone Saw; Medical UAV |
| 3rd / Ops Lv. 35 | Experimental Data; LEDX; Oximeter; Bone Saw |
| Tier / unlock | Requirements / rewards |
Stash
| Start | Level 1 is unlocked by default. |
| 2nd / Ops Lv. 4 | 2x Medical UAV; Intel Recorder; 3x Relay; +18 Stash Space; +1 Stash Expansion Crate Slot |
| 3rd / Ops Lv. 10 | 2x Wide-Angle Lens; Bucket of Paint; 2x Socket Adapter; 3x Wooden Carved Pipe; +2 Stash Expansion Crate Slot |
| 4th / Ops Lv. 14 | 2x Wide-Angle Lens; 2x Encrypted Router; 4x Lemon Tea; 6x Relay; +45 Stash Space; +3 Stash Expansion Crate Slot |
| 5th / Ops Lv. 20 | Merit Medal; 2x Oximeter; 3x Encrypted Router; 6x SSD; +4 Stash Expansion Crate Slot |
| 6th / Ops Lv. 28 | Mantel Clock; 4x High-Speed SSD; 6x ASOS Motherboard; 10x RAM; +72 Stash Space; +5 Stash Expansion Crate Slot |
| 7th / Ops Lv. 28 | Array Server; 3x Military Satellite Communications Device; 10x Wide-Angle Lens; 10x SSD; +6 Stash Expansion Crate Slot |
| 8th / Ops Lv. 42 | Rocket Fuel; 2x Golden Gazelle; 3x 999.9 Point Gold Bar; 5x Military Trajectory Computer; +108 Stash Space; +7 Stash Expansion Crate Slot |
| 9th / Ops Lv. 52 | Medical Ventilator; Reinforced Carbon Fiberboard; High-Speed Disk Array; High-Power Vacuum Cleaner; +8 Stash Expansion Crate Slot |
| 10th / Ops Lv. 60 | Heart of Africa; Olivia Champagne; Oximeter; +144 Stash Space; +9 Stash Expansion Crate Slot |
| Tier / unlock | Requirements / rewards |
Workbench
| 1st / Ops Lv. 15 | Intel Recorder; Pack of Cement; LCD Screen |
| 2nd / Ops Lv. 27 | 2x Wide-Angle Lens; 2x Pack of Cement; 2x Socket Adapter |
| 3rd / Ops Lv. 39 | 1x Military Satellite Communications Device; 3x ASOS Motherboard; 5x Pack of Cement |
| Tier / unlock | Requirements / rewards |
How To Farm Upgrade Materials Faster
The easiest way to stay ahead is to sort loot by upgrade family instead of by immediate sale value. Electronics, medical items, and rare luxury barter items are the ones that usually unlock the next tier fastest.
Prioritize office desks, tech-heavy rooms, medical rooms, utility shelves, and any area that regularly drops barter hardware. The goal is not to hoard everything; it is to keep the exact categories that your next branch needs.
Once your stockpile is ready, use the current batch submission flow to clear several upgrades together instead of spending one menu interaction per item.
Common Mistakes To Avoid
Selling every rare barter item too early. If it can unlock a higher tier, keep it.
Pushing Firing Range before Stash and Central Command HQ. Carry capacity feels good, but storage and economy pay back sooner.
Ignoring reputation gates. Some of the most valuable tiers are not just about materials; they also need department reputation and neighboring upgrades.
Treating CSD as a luxury. Stamina and recovery matter much more once your raids get longer and riskier.
FAQ
What should I upgrade first in Delta Force Black Site?
Start with Stash, then Central Command HQ, then Workbench. That order gives you storage, pacing, and crafting flexibility before you spend on comfort upgrades.
Does Delta Force Black Site support batch submission now?
Yes. The current update lets you submit required items in batches, which makes late-stage tier cleanup much faster.
Which upgrades help survivability the most?
Pharmacy and CSD are the biggest survivability branches because they improve stamina, recovery, and practical combat uptime.
Which upgrades increase carry capacity?
Firing Range raises Max Load, while Stash adds storage space and expansion slots.
Conclusion
The best Delta Force Black Site Upgrade Guide strategy is simple: build storage first, improve economy second, then invest in survivability and load once your item stock is stable. For more Delta Force intel, deep-dive guides, and the latest leaks — bookmark the Delta Force page on BuffBuff.
If you keep the right barter items and use batch submission intelligently, the whole progression tree becomes much easier to finish.















