ORLANDO, Fla. – Bohemia Interactive Simulations (BISim), a global developer of military training and simulation software, is proud to announce that its flagship product, VBS4, has successfully completed the United States Marine Corps’ (USMC) government acceptance test (GAT) for the Green Gear project. Using BISim’s VBS4-USMC and VBS Blue IG software, the Marines will benefit from the optimized