A Delta M rocket launched from SLC-17A carrying Intelsat 3-5, a communications satellite bound for geostationary orbit.
A motor casing ruptured in stage 3, it did not reach a usable orbit.
A Delta N rocket launched from SLC-17A carrying two items. Orbital Solar Observatory 6 (OSO-6) was a scientific satellite primarily focused on gathering solar data. Package Attitude Control (PAC-1) was a technology demonstrator, testing an earth-stabilized control system for the Delta second stage.