Submarine Development Group One

Submarine Development Squadron One (SUBDEVRON ONE) is a U.S. Navy training and testing unit responsible for preparing Ohio-class and other ballistic missile submarines and submariners. Located at Naval Base Point Loma in California, it ensures submarines and crews are fully operational, trained, and equipped with the latest technology. The squadron specializes in testing new systems, conducting training exercises, and maintaining high readiness levels for strategic underwater nuclear deterrence and tactical operations. Essentially, it plays a critical role in maintaining the Navy’s undersea capabilities, ensuring submarines are prepared to perform their missions safely and effectively.