GROTON, Connecticut (KIFI) — The U.S. Navy has a powerful new addition to its arsenal honoring the Gem State. This Saturday, after years of construction, the USS Idaho (SSN 799) will be formally commissioned into active service. The official commissioning ceremony begins at 9 a.m. MST, Saturday, April 25. You watch the historic event via the livestream below: The future USS Idaho is the fifth vessel to bear the state’s name, carrying on a naval …