Third year students in the NROTC unit at Marquette university study naval ordnance, engineering, gunnery and electricity. The naval reserve officers' training corps at the university enters its third year on the campus soon. Ordnance equipment is being explained by Chief Boatswain's Mate Jesse H. Jaggers (center) to (left to right) William Papador, Leo Massopust, Matthew Schwartz, Jack McFalda, Paul Kempt and Jack Ellsworth. (Marquette University naval ROTC)

Photo is dated 1942.

Photo measures 11.25 x 8.25 inches.