Posted 9/16/2007A soldier from the 1st Battalion, 38th Infantry Regiment, 4th Stryker Brigade Combat Team, 2nd Infantry Division, destroys an insurgent cave containing a cache, with an AT-4 during Operation Rock Hammer, Sept. 7. Rock Hammer, conducted in farmland and palm groves on the Diyala River, resulted in the discovery of 11 al-Qaida in Iraq weapons caches. Photo by 1st Lt. Richard Ybarra