NEW IBERIA, La. Gulf Coast Tactical, LLC announced Tuesday it will invest $6.1 million in Iberia Parish to expand production of unmanned surface vehicles, patrol craft and other maritime platforms used in security operations.The company is expected to create 65 direct new jobs with an average annual salary of $80,000, while retaining 16 current positions. Louisiana Economic Development (LED) estimates the project will result in an additional 72 …