MISSION BOUND. Marine reconnaissance scouts head for shore after Sikorsky S-55 helicopter drop. Clockwise, starting at the left, are Cpl. Harold D. Dickinson of Framingham, Mass., S/Sgt William V. Schmitz of Newton, N.J., Lt. Col. Ephraim Kirby-Smith of Sewanee, Tenn., commanding officer of the Second Reconnaissance Battalion, Second Marine Division; Sgt. Lewis L. Bryant of Allentown, Pa., and Irving B. Tchakirides of Waterbury, Conn.