They are most likely calling Osama Bin Laden Usama Bin Laden because they could have made a spelling error or They thought it was usama because its sounds close to usama
They didn't.It was the Navy Seals although there were 40 of them for 1 man4 S.A.S Men (who are british and therefor the best) captured 16 High Profile Targets in Iraq that's 1 Sas 2 4 high profile...