We're already on mandatory U-3. Yes, we have MOPP gear.
Suicide bombers penetrating the FOB isn't the threat right now. We know who's doing this and that isn't one of their tactics.
Mortars and rockets penetrating the Fob is what we're up against now.
Given the times that it occurs (meal times and such), it sounds like a tactic to demoralize the people in the Green Zone. This is similar to the wailing martyrs that I had mentioned in my mail to you.