Marines inspect a ZU-23 23mm automatic anti-aircraft gun on the Iranian Sassan oil platform. Marines attacked, occupied, and then destroyed the platform. U.S. NAVY PHOTO BY CPL. JOHN HYP

Marines inspect a ZU-23 23mm automatic anti-aircraft gun on the Iranian Sassan oil platform. Marines attacked, occupied, and then destroyed the platform. U.S. NAVY PHOTO BY CPL. JOHN HYP

Marines inspect a ZU-23 23mm automatic anti-aircraft gun on the Iranian Sassan oil platform. Marines attacked, occupied then destroyed the platform as part of Operation Praying Mantis which was launched after the guided missile frigate USS SAMUEL B. ROBERTS (FFG-58) struck a mine on April 14, 1988.