A roadside bomb killed three marines and a sailor on patrol here in March.

But some rebels had stayed hidden in the bombed-out landscape of the district and came out fighting around dawn, killing at least two marines.

Two of the tilt-rotor aircraft crashed last year, killing 23 marines.

The V-22 is one of the Pentagon's most troubled programs, having experienced two fatal crashes that killed 23 marines in the past year.

A15 The fourth recent military helicopter crash killed four marines.

Within weeks a car bomb blew up the American Embassy, killing 231 marines.

A crash in April 2000 in Arizona killed 19 marines.

The Osprey lost lift and crashed, killing 19 marines.

How many to kill eleven men and women and two marines and maybe more?

The innovative aircraft has been plagued by production delays and crashes that have killed 23 marines in the past year.