Construction will be completed Friday of a new sign informing mariners of the 24/7 security zone in the Honolulu Harbor and whom to contact for permission to enter, the U.S. Coast Guard (USCG) said in a press announcement. The sign, measuring 12 x 24 feet, is worded with large letters created using highly reflective tape, will be lit at night and is oriented so that mariners will be able to read the sign while still offshore, outside the security zone. Located on the Diamond Head side of the Honolulu Harbor entrance…