. since september 11 , 2001 , we and other airlines have been unable to obtain coverage for liability to persons other than employees and passengers for claims resulting from acts of terrorism , war or similar events , which is called war risk coverage , at reasonable rates from the commercial insurance market . we , therefore , purchased our war risk coverage through a special program administered by the faa , as have most other u.s . airlines . this program , which currently expires september 30 , 2014 .