Click on a link below for websites related to the 6994th, the Vietnam Conflict, and Southeast Asia
| The EC-47 History Site | ARDF Program Information |
| Freedom through Vigilance | USAFSS / Security Service Alumni |
| Propwash Gang | USAFSS Flyers – All Platforms |
| Silent Warriors | Honoring America’s Silent Warriors |
| Airborne Maintenance Technicians | They kept ‘em flying |
| USAF Morse Intercept Class Pictures | Class Photos of Ditty Bops |