FILE - In this Aug. 14, 2015, file photo, a U.S. flag flies at the U.S. embassy in Havana, Cuba. The Associated Press has obtained a recording of what some U.S. Embassy workers heard in Havana, part of the series of unnerving incidents later deemed to be deliberate attacks.   (AP Photo/Desmond Boylan, File) Photo: Desmond Boylan, STR / Copyright 2017 The Associated Press. All rights reserved.