SB2C Helldiver: Curtiss's Carrier-Based Dive Bomber in World War II. David Doyle. 9" x 9". While initally labeled as a troublesome aircraft, the Curtiss SB2C Helldiver went on to be noted for striking more Japanese targets than any other US Navy dive bomber. Despite this, the Helldiver was to be the last of a long line of US Navy dive bombers. The development, production, and combat use of the many variations of the Helldiver are examined.