OPS-9439 (DSCS-2 9), OPS-9440 (DSCS-2 10)
The launch of US Air Force Titan IIIC took place on 25 Mar 1978, launching the OPS-9439 (DSCS-2 9), OPS-9440 (DSCS-2 10) mission. The launch site was Cape Canaveral, Florida, United States. The payload should have been deployed in a GEO orbit.