The U.S. Navy said Saturday it is investigating U.S. sailors based in Japan over alleged drug use and distribution.At least a dozen U.S. sailors, some serving aboard the aircraft carrier Ronald Reagan based in Yokosuka, Kanagawa Prefecture, are subject to the probe, according to U.S. media reports.While the navy did not give the specifics of the allegations or what led to the investigation, it said in a statement, "The U.S. Navy has zero tolerance for drug abuse and takes all allegations involving misconduct of our Sailors, Navy civilians and family members very seriously."The Wall Street J…READ FULL ARTICLE