// Risk Intelligence
| Risk Score | 8 / 10 High |
| Facility Type | ⚔ Military Installation |
| Operator / Branch | US Air Force / US Navy |
| Host County | Charleston County SC |
| Nearest City | Pepperell MA |
| Primary Risk Radius | 25 miles |
| Secondary Risk Radius | 50 miles |
// Strategic Significance
Joint Base Charleston hosts C-17 strategic airlift and nuclear submarine support operations. The Navy nuclear submarine tender provides support to Atlantic Fleet submarines. The base faces direct Atlantic hurricane and storm surge risk with serious sea level rise flooding.
// Civilian Impact Assessment
Charleston metro with 800,000 residents is adjacent. Sea level rise is causing increasing nuisance flooding and hurricane storm surge risk is extreme.
// Evacuation & Shelter Guidance
I-26, I-526, US-52. Charleston County Emergency Management coordinates hurricane evacuation with base officials.