The 13th annual Maritime & Arctic Security & Safety Conference (MASS), hosted by the Atlantic Canada Aerospace & Defense Association (ACADA), and sponsored by Saab Canada, Inc., is currently underway this week in St. John's, Newfoundland and Labrador.ACADA represents Atlantic Canada's aerospace and defense industry and promotes the region as a globally recognized hub of aerospace and defense excellence. (Atlantic Canada includes the provinces of New Brunswick, Nova Scotia, Prince Edward Island and Newfoundland & Labrador.)With 600 participants…