Nova's Rugged Uninterruptible Power Systems Are Tailor Made for the World's Harshest Environments & Designed to Meet Some of the Toughest Standards for Shock, Vibration, Electro Magnetic Interference & Emi Including Mil Std Compliance. Nova's Rugged Products Are Well Suited to Submarine, Shipboard, Tactical Military, Extreme Operating Environments Including the Arctic, the Desert & On & Under the Sea; Nova Power ...