General Dynamics Advanced Information Systems, a business unit of General Dynamics, says it has been awarded two contracts valued at approximately $226.7 million by the U.S. Navy's Strategic Systems Programs (SSP) office for continuing efforts to modernize and repair training and support equipment for the U.S. and United Kingdom ballistic missile submarine (SSBN) and SSGN fleets. "These contracts are a testament to our 50-year legacy of delivering high-quality mission-critical solutions to the U.S.