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List of Known and Alleged Underground Military Facilities
Comprehensive catalog of confirmed and alleged underground military bases, command centers, and continuity of government facilities in the United States and worldwide.
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Summary
This document provides a comprehensive listing of known and alleged underground military facilities, command centers, and continuity of government installations. Facilities are categorized by their level of confirmation and operational status.
Confirmed Underground Facilities
United States - Military Command
| Facility | Location | Depth/Size | Status | Function |
|---|---|---|---|---|
| Cheyenne Mountain Complex | Colorado | 2,000 ft deep, 4.5 acres | Active | NORAD/USSPACECOM |
| Site R (Raven Rock) | Pennsylvania | 265,000 sq ft | Active | Military command |
| Offutt AFB | Nebraska | Classified | Active | STRATCOM |
| Camp David | Maryland | Classified | Active | Presidential retreat |
| Kaneohe | Hawaii | Classified | Active | Pacific Fleet |
United States - Continuity of Government
| Facility | Location | Capacity | Status | Function |
|---|---|---|---|---|
| Mount Weather | Virginia | Hundreds | Active | FEMA/COG |
| The Greenbrier | West Virginia | 1,000+ | Decommissioned | Congress (exposed 1992) |
| Mount Pony | Virginia | 140,000 sq ft | Partial | Federal Reserve |
| White House Bunker | Washington DC | Classified | Active | Presidential emergency |
| Classified COG sites | Various | Unknown | Active | Various agencies |
United States - Intelligence/Communications
| Facility | Location | Size | Status | Function |
|---|---|---|---|---|
| Fort Meade (NSA) | Maryland | 10+ acres underground | Active | NSA headquarters |
| Pine Gap | Australia | Classified | Active | NSA/SIGINT |
| NORAD (Ontario) | Canada | 142,000 sq ft | Active | Canadian NORAD |
| RAF Rudloe Manor | UK | Classified | Active | Intelligence |
United States - Weapons/Research
| Facility | Location | Size | Status | Function |
|---|---|---|---|---|
| Manzano Base | New Mexico | Classified | Active | Nuclear storage |
| Kirtland Underground | New Mexico | Classified | Active | Weapons storage |
| China Lake (alleged UG) | California | Unknown | Alleged | Weapons testing |
| Dugway (alleged UG) | Utah | Unknown | Alleged | BW/CW testing |
Alleged Deep Underground Military Bases (DUMBs)
United States - Southwest Region
| Facility | Location | Alleged Levels | Claims |
|---|---|---|---|
| Dulce Base | New Mexico | 7+ | Human-alien facility |
| Area 51 / S-4 | Nevada | Multiple | ET tech reverse engineering |
| Edwards AFB UG | California | Unknown | Advanced aerospace |
| China Lake UG | California | Unknown | Connected tunnel network |
| Dugway Proving Grounds | Utah | Unknown | Biological weapons |
| White Sands UG | New Mexico | Unknown | Missile testing |
| Los Alamos UG | New Mexico | Unknown | Nuclear/ET research |
| Kirtland/Sandia UG | New Mexico | Unknown | Weapons labs |
United States - Mountain Region
| Facility | Location | Alleged Levels | Claims |
|---|---|---|---|
| Denver Airport UG | Colorado | 8+ | 4.5 sq mi underground city |
| Cheyenne Mountain Extension | Colorado | Unknown | Expanded facilities |
| Kings Peak UG | Utah | Unknown | Space Command facility |
| Idaho National Lab UG | Idaho | Multiple | Nuclear research |
United States - East Coast
| Facility | Location | Alleged Levels | Claims |
|---|---|---|---|
| Mount Weather Expansion | Virginia | Unknown | Massive complex |
| Site R Expansion | Pennsylvania | Unknown | Extended network |
| Olney FEMA | Maryland | Classified | Confirmed FEMA site |
| West Virginia Facilities | Various | Unknown | COG network |
| Shady Springs | West Virginia | Unknown | MIB underground depot |
United States - Other Locations
| State | Alleged Facilities | Notable Claims |
|---|---|---|
| Alaska | Multiple | HAARP connections |
| Arkansas | Various | Tunnel network |
| California | Multiple | Death Valley connections |
| Florida | Eglin AFB | Underground facilities |
| Georgia | Various | Eastern sector command |
| Michigan | Various | Great Lakes region |
| Montana | Multiple | Northern tier |
| Nevada | Multiple | Area 51 network |
| Ohio | Wright-Patterson | Foreign technology |
| Texas | Multiple | Fort Hood incident |
| Washington | Multiple | Puget Sound area |
International Underground Facilities
Allied Facilities
| Facility | Country | Status | Function |
|---|---|---|---|
| Pine Gap | Australia | Active | NSA intelligence |
| RAF Rudloe Manor | UK | Active | Intelligence/MOD |
| Corsham Complex | UK | Active | Command center |
| Canadian NORAD | Canada | Active | Joint defense |
| NATO HQs | Belgium | Active | Alliance command |
Other Nations
| Facility | Country | Status | Known Details |
|---|---|---|---|
| Metro-2 | Russia | Alleged | Secret subway system |
| Zhitkur | Russia | Alleged | Underground complex |
| Dingxin Base | China | Partially known | Underground complex confirmed |
| Yamantau Mountain | Russia | Partially known | Massive underground facility |
| Various | China | Multiple | Strategic tunnel networks |
Facility Networks and Connections
Alleged Tunnel Networks
Southwest Network:
- Area 51 ↔ S-4 ↔ Tonopah
- Area 51 ↔ Dulce (alleged)
- Dulce ↔ Los Alamos (alleged)
- China Lake ↔ Edwards AFB (alleged)
- Edwards ↔ Dugway (alleged)
Colorado Network:
- Denver Airport ↔ Cheyenne Mountain (alleged)
- Denver ↔ Various DUMBs (alleged)
- Connection to western network (alleged)
Eastern Network:
- Site R ↔ Camp David (rumored)
- Mount Weather ↔ Various COG sites
- Federal Relocation Arc connections
Maglev Transport Claims
Some researchers allege:
- Subterranean Maglev systems connect bases
- Transcontinental high-speed transport
- Electromagnetic propulsion in tunnels
- Part of 1982 NCTT plans
- Classified transport network
Construction and Technology
Known Construction Methods
Cut-and-Cover:
- Used for shallow facilities
- Excavated and roofed
- Examples: Some COG sites
Deep Bore:
- Drilled deep underground
- Vertical shafts
- Examples: Missile silos
Mountain Excavation:
- Hollowed mountains
- Natural rock protection
- Examples: Cheyenne Mountain, Site R
Alleged Advanced Technology
Nuclear Tunnel-Boring Machines:
- Melts rock rather than cutting
- Glass-lined tunnels
- High-speed excavation
- Used for deep networks
Vitrified Tunnels:
- Glass-smooth walls
- Sealed against water/gas
- Structural integrity
- Minimal maintenance
Verification Status Categories
Category 1: Officially Confirmed
- Government acknowledges existence
- Declassified documents available
- Physical location known
- General function disclosed
Category 2: Partially Confirmed
- Some official acknowledgment
- Limited declassification
- Location generally known
- Specific functions classified
Category 3: Alleged with Evidence
- Whistleblower testimonies
- Anomalous physical indicators
- Documented surveillance
- Researcher investigations
Category 4: Alleged, Limited Evidence
- Secondhand claims
- Unverified testimonies
- Circumstantial evidence
- Disputed by authorities
Category 5: Speculative
- Theoretical only
- No direct evidence
- Based on patterns
- Unverified claims
References and Sources
Declassified Documents
- NCTT 1982 Report (tunneling technology)
- FEMA continuity plans (partial)
- DOD facility records (limited)
- Congressional hearings (selected)
Whistleblowers
- Phil Schneider (DUMBs construction)
- Bob Lazar (Area 51/S-4)
- Dan Burisch (S-4/Project Aquarius)
- Various military personnel
Researchers
- Richard Sauder (underground bases)
- Alex Christopher (Denver Airport)
- Anthony Sanchez (UFO Highway)
- David Icke (global network claims)
Notes on Verification
- Confirmed facilities are documented through official sources
- Alleged facilities rely on whistleblower testimony and circumstantial evidence
- The U.S. government classifies most underground facility information
- FOIA requests often denied on national security grounds
- Satellite imagery provides some physical evidence
- Ground-penetrating radar can detect large underground structures
- Seismic monitoring can identify tunneling activity
- Budget documents sometimes reveal construction projects
- Worker testimonies provide human intelligence
- Pattern analysis suggests network coordination
Related Topics
- Deep Underground Military Bases (DUMBs)
- Continuity of Government (COG)
- Nuclear Tunnel-Boring Machines
- Federal Relocation Arc
- Underground Infrastructure
- Strategic Command Facilities
- Intelligence Community Facilities