Drawing, Pen and Ink, Pencil on Paper

Tracking ship near the beach. Sketch of a tracking ship near the shores of a beach; length of the ship running across the center of the page; three dish shaped antennas shown on the ship; two dish-shaped antennas sketch on top of the page; pen and ink sketch of the same ship shown on the reverse side of the page. A19781078000 and A19781079000 are on opposite sides of the same sheet of paper. Each object has its object number written in pencil on the opposite side, so the numbers on each side are for the artwork on the other side.