REX20030040208 - IRAQ, March (UPI) -- Royal Marines from 42 Cdo, continue to secure the area around Umm Qasr, Iraq, on March 29, 2003. The marines are supported by helIcopters from 845 and 847 Naval Air Squadrons, which are embarked on HMS OCEAN. rlw/ANGIE PEARCE/REX FEATURES UPI.