SD-4 Swallow | |
---|---|
Role | Reconnaissance drone |
National origin | United States |
Manufacturer | Republic Aviation |
Primary user | United States Army |
Number built | 0 |
The Republic SD-4 Swallow was an early high-speed reconnaissance drone developed by Republic Aviation for the United States Army. Intended for use by the U.S. Army Signal Corps to target tactical ballistic missiles, it was cancelled before the first prototype could be completed, and did not see operational service.