American junior enlisted personnel at a U.S. air base in Japan are banned from consuming alcohol and must adhere to a curfew following the recent arrest of a U.S. Marine for allegedly robbing and murdering a local woman.  Kadena Air Base on Okinawa implemented the new restrictions for all personnel in grades E-1 to E-4 beginning late last week, according to a memo signed by 18th Wing Commander Brig. Gen. John Gallemore. “The 18th Wing continually assesses measures to reinforce good order and discipline and maintain positive relationships with our host community,” a base spokesperson told Military Times. In early…