Civil service mariners from Military Sealift Command rescue and salvage ship USNS Grasp completed three days and more than 445 man-hours of improvement projects at the for the Deaf and for the Blind Unit in yesterday. Grasp arrived in Antigua July 4 as part of a four-month international outreach mission to the . While the ship’s embarked team of 15 Navy divers conducted tailored training and security operations with military divers from , and , Grasp’s civil service mariners sought out an opportunity to do a goodwill project ashore. The 60-year-old, 3,400 square foot school is attended by 18 deaf and three blind children. Over the course of July 15-17…