The systems the Real Estate and Facilities Directorate are responsible includes, but is not limited to, water based systems (fire protection, potable, sewage, storm drain), compressed gas systems (nitrogen, argon, oxygen, propane), compressed air systems (high pressure air, low pressure air), boiler and steam systems, HVAC, industrial ventilation, submarine support systems and above and below ground electrical distribution. Overview: General Dynamics Electric Boat provides an unparalleled learning experience for college students, offering practical exposure in the defense industry alongside expert engineers, shaping the future of submarine innovation.