Ghost recon advanced warfighter gameplay issue

I got my hands on GRAW 1 and just finished the 1st mission. Just after the second mission starts, all the ghosts are droped down from a black hawk, but myself and another ghost got stuck inside a building. Its more like we were droped on to the building and crashed into it from the roof. now me and the other ghost is stuck inside and cannot go our. From some walls, can see outside, but from certain side its pitch black. Can anyone help PLEASE!!!

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