Soldiers from Polish Special Operations Forces Command enter the basement of an abandoned building during close quarters combat training near Drawsko Pomorskie, Poland on Sept. 15, 2010 prior to the start of the Jackal Stone 10 exercise.

Soldiers from Polish Special Operations Forces Command enter the basement of an abandoned building during close quarters combat training near Drawsko Pomorskie, Poland on Sept. 15, 2010 prior to the start of the Jackal Stone 10 exercise.