Two Big Arms Caches Found in Afghanistan - Pentagon Tue May 14, 3:55 PM ET By Charles Aldinger WASHINGTON (Reuters) - The U.S. military has found two huge al Qaeda and Taliban arms caches in Afghanistan (news - web sites) and is moving to reorganize its operations in that unsettled country under the commander of the elite 18th Airborne Corps, the Pentagon (news - web sites) said on Tuesday. Five T-54 tanks and more than 15,000 mortar rounds, 800,000 50-caliber machine gun bullets and 600 rocket-propelled grenades were found over the weekend near Herat in northwestern Afghanistan and Orgun in...