OPS-9437 (DSCS-2 7), OPS-9438 (DSCS-2 8)
The launch of US Air Force Titan IIIC took place on 12 May 1977, launching the OPS-9437 (DSCS-2 7), OPS-9438 (DSCS-2 8) mission. The launch site was Cape Canaveral, Florida, United States. The payload was deployed in a GEO orbit.