attack Baghdad, Iraq, Dec 23, SPA -- The U.S. military was re-examiningsecurity measure at bases around Iraq on Thursday, a dayafter saying that a suicide bomber likely carried out theattack at a camp near Mosul that killed 22 people. The explosion on Monday at the tightly guarded U.S. baseraised questions about how the attacker infiltrated thecompound, which is surrounded by blast walls and barbedwire and watched by U.S. troops who search every persongoing in and check his identity. However Iraqis do a variety of jobs at the base, includingtranslation, cleaning, cooking, construction and officeduties. A spokesman for the U.S. military command in Baghdad saidThursday security measures are subjected to changes whenneeded. "It is a fluid situation where our security measures andplans are constantly being adapted and reworked," said 1stSgt. Steve Valley.--SPA1452 Local Time 1152 GMT www.spa.gov.sa/227081