KH-7 18 was launched on 1965 May 27 by Atlas Agena D from Vandenberg. Only one object was cataloged; I assume the Agena reentered without being tracked.
No archival elements are available and the exact launch time is not known.
| KH-7 18 | |||
| Date | Time | Event | Orbit | 
|---|---|---|---|
| 1965 May 27 | 1930? | Launch by Atlas Agena D | V | 
| T+2:18? BECO | |||
| T+4:37? SECO | |||
| T+4:54? VECO | |||
| T+4:59? Atlas sep | |||
| T+5:51? Agena MES | |||
| 1939? | T+9:50? Agena MECO | ||
| OCV sep | |||
| 1965 May 29 | 88.7 149 x 267 x 95.8 | ||
| 1965 May 30? | SRV recovered (guess) | ||
| 1965 Jun 1 | 2205? | Reentered after 5d | |