~100 metrers, maybe 1500 tonnes displacement.
That 650# warhead detonation under the keel would have meant a near instant kill to a ship that size. The gas bubble lifts if up, and the keel snaps in half on the drop down.
150-180 enemy combatants on board. Revenge for the USS Cole.
USS Cole an attacked by a Saudi Al Qeida cell, not Iran.
Iranian sailors. Having been a young sailor (enlisted at 17) on the Cuban Missile Crisis blockade, I can feel for the enemy, and hope for the survival of many. With the ship gone, they're out of the fight.