Rank/Branch: E2/US Marine Corps Unit: G/2nd Battalion, 9th Marines, 3rd Marine Division
Date of Birth: 14 July 1953 Home City of Record: San Diego CA
Country of Loss: Cambodia/Over Water Status (in 1975): Killed/Body Not Recovered Category: 3
Aircraft/Vehicle/Ground: CH53A
Refno: 2003

One CH53A helicopter was flown by U.S. Air Force Major Howard Corson and 2Lt. Richard Van de Geer and carrying 23 U.S. Marines and 2 U.S. Navy corpsmen, all from the 2nd Battalion, 9th Marines. As the helicopter approached the island, it was caught in a cross fire and hit by a rocket. The severely damaged helicopter crashed into the sea just off the coast of the island and exploded. To avoid enemy fire, survivors were forced to swim out to sea for rescue. Twelve aboard, including Maj. Corson, were rescued. Those missing from the helicopter were 2Lt. Richard Van de Geer, PFC Daniel A. Benedett, PFC Lynn Blessing, PFC Walter Boyd, Lcpl. Gregory S. Copenhaver, Lcpl. Andres Garcia, PFC James J. Jacques, PFC James R. Maxwell, PFC Richard W. Rivenburgh, PFC Antonio R. Sandoval, PFC Kelton R. Turner, all U.S. Marines. Also missing were HM1 Bernard Gause, Jr. and HM Ronald J. Manning, the two corpsmen