What is the mission support team? The Mission Support Team bridges the gap between prayer partners and supporters around the globe and the thousands of national workers in Asia.What does pma stand for in portsmouth mission alliance? Portsmouth Mission Alliance, LLC. Portsmouth Mission Alliance, LLC (PMA) is a joint venture between North Wind and Swift and Staley. The company was created to perform Infrastructure Support Services at the US Department of Energy Gaseous Diffusion Plant in Piketon, Ohio. The current Facility Support Services contract began on April 25, 2016.