Assuming you meet the requirements, there are three units that can be trained in any UNSC base.
Available Units: UNSC Bases
| Icon | Name | Description | Tech Level |  Requirements |
 Requirements |
 Requirements |
Time |
|---|---|---|---|---|---|---|---|
|
Marines | (Core infantry) Flexible ground troops. Quick capture unit. | 0 | 3 | 150 | — | 18s |
|
Jackrabbit | (Scout) Very fast-moving. Can de-capture. | 0 | 2 | 210 | — | 21s |
|
Protector Sentinel | (Core air) Anders only. Sentinel detonation. Sentinel beam. Requires Protector Sentinel Leader Power. | 0 | 4 | 280 | 30 | 25s |
Assuming you meet the requirements, there are six upgrades that can be researched in any UNSC base.
Available Research: UNSC Bases
| Icon | Name | Description | Tech Level | Requirements |
Requirements |
Requirements |
Time |
|---|---|---|---|---|---|---|---|
|
Grenade Throw | (New ability for Marines) Can throw grenades. Small area attack. Cannot target air. | 1 | — | — | 400 | 25s |
|
Combat Tech | (Unit upgrade for Marines) Can repair vehicles, buildings, and air units. Can wield rocket launcher. Requires Grenade Throw. | 2 | — | — | 600 | 30s |
|
Mini-Frag Launcher | (Unit upgrade for Jackrabbit) Weaponizes Jackrabbit. | 1 | — | — | 200 | 25s |
|
Support Drone | (Unit upgrade for Jackrabbit) Equips drone. Increases line of sight. Detects cloaked units. Heals Jackrabbit. Requires Mini-Frag Launcher. | 1 | — | — | 300 | 25s |
|
Drone Escort | (Unit upgrade for Protector Sentinel)Anders only. Increases damage. Increases health. Unlocks Lockdown Bolt active ability. Requires Protector Sentinel Leader Power. | 2 | — | — | 500 | 30s |
|
Defense Grid | (Unit upgrade for Protector Sentinel) Anders only. Increases speed. Detonates on destruction. Requires Drone Escort. Requires Protector Sentinel Leader Power. | 3 | — | — | 600 | 35s |
Firebase (Level 0)
Primary Role: Core Infantry/Scout Creation
Global Upgrades: Tech Level (via base upgrade)
Production: Marines, Jackrabbit, Protector Sentinel (Anders only)
Firebase Construction
| Icon | Name | Description | Tech Level | Requirements |
Requirements |
Requirements |
Time |
|---|---|---|---|---|---|---|---|
|
Firebase | (Base structure) Produces vehicles and infantry. Three building slots. No Turret sites. | 0 | — | 500 | 200 | 60s |
The Firebase is the only UNSC structure you can build on an open base site. It offers no Turret sites, but it does include three slots for additional structures. If you haven’t already reached Tech Level 1, you can do so by upgrading a Firebase to a Combat Station.
Combat Station (Level 1)
Primary Role: Core Infantry/Scout Creation
Global Upgrades: Tech Level (via base upgrade)
Production: Marines, Jackrabbit, Protector Sentinel (Anders only)
Combat Station Upgrade
| Icon | Name | Description | Tech Level | Requirements |
Requirements |
Requirements |
Time |
|---|---|---|---|---|---|---|---|
|
Upgrade to Combat Station | (Base upgrade) Upgraded from Firebase. Produces vehicles and infantry. Supports four Turret emplacements. | 0 | — | — | 400 | 50s |
The Combat Station offers four Turret sites and a total of five slots for additional structures. Gaining your first Combat Station also unlocks Tech Level 1 units and research.
Command Center (Level 2)
Primary Role: Core Infantry/Scout Creation
Global Upgrades: Tech Level (via base upgrade)
Production: Marines, Jackrabbit, Protector Sentinel (Anders only)
Command Center Upgrade
| Icon | Name | Description | Tech Level | Requirements |
Requirements |
Requirements |
Time |
|---|---|---|---|---|---|---|---|
|
Upgrade to Command Center | (Base upgrade) Upgraded from Combat Station. Produces vehicles and infantry. Unlocks Tech Level 2. | 1 | — | — | 1000 | 35s |
The Command Center offers four Turret sites and a total of seven slots for additional structures. Gaining your first Command Center also unlocks Tech Level 2 units and research.
Headquarters (Level 3)
Primary Role: Core Infantry/Scout Creation
Global Upgrades: None
Production: Marines, Jackrabbit, Protector Sentinel (Anders only)
Headquarters Upgrade
| Icon | Name | Description | Tech Level | Requirements |
Requirements |
Requirements |
Time |
|---|---|---|---|---|---|---|---|
|
Upgrade to Headquarters | (Base upgrade) Upgraded from Command Center. Produces vehicles and infantry. Unlocks Tech Level 3. Top base structure. | 2 | — | — | 1500 | 50s |
Like the Command Center, the Headquarters offers four Turret sites and a total of seven slots for additional structures. Gaining your first Headquarters unlocks Tech Level 3 units and research.