sentences:  On the 27 March 12 Challenger 2 tanks of C squadron, Royal Scots Dragoon Guards, supporting 40 Commandos advance from al-Faw to Basra, engaged and destroyed 14 Iraqi T-55 tanks, members of 40 Commando also fought brief firefights with Fedayeen fighters and came under fire from Iranian border guards.Coalition forces met with unexpected resistance in Basra and environs.After a few days of combat, most of the invading American troops moved northwards, leaving Basra under a multi-week siege led by the British—considered better suited because of their past experiences in Iraq and Northern Ireland.