Delta C
| The first Delta C launches with Explorer 18 | |
| Function | Expendable launch system | 
|---|---|
| Manufacturer | Douglas Aircraft Company | 
| Country of origin | United States | 
| Launch history | |
| Status | Retired | 
| Launch sites | Cape Canaveral LC-17 | 
| Total launches | 13 | 
| Success(es) | 12 | 
| Failure(s) | 1 | 
| First flight | 27 November 1963 | 
| Last flight | 22 January 1969 | 
The Delta C, or Thor-Delta C was an American expendable launch system used for thirteen orbital launches between 1963 and 1969. It was a member of the Delta family of rockets.