A row of U.S. Army helmets are perched on M-16 rifles during a memorial atAl Asad air base November 6, 2003 for the 15 victims of a Chinook helicopterwhich was shot down by insurgents on the weekend. Against a backdrop of 15helmets resting on M-16 rifles, American soldiers on Thursday honoured theircomrades, victims of the single deadliest incident for U.S. forces sincesthey invaded Iraq. Pictures of the Month November 2003 REUTERS/ChrisHelgren PP03110073 IRQI Pictures of the year 2003 CLH/