IGF::OT::IGF THE CONTRACTOR SHALL PROVIDE CONTRACTOR/ENGINEERING AND TECHNICAL SUPPORT SERVICES IN THE AREAS OF SUBMARINE ANTENNA COMMUNICATIONS AND SURVEILLANCE SYSTEMS, SUBMARINE HULL, MECHANICAL AND ELECTRICAL (HM&E) SYSTEMS, COMMUNICATIONS AND CONTROL SYSTEMS AND SYSTEMS INTERFACING WITH SHIPS AND CARRIERS NETWORKS AND NAVIGATION&INTEGRATED BRIDGE CONTROLS, PROGRAMS AND PLATFORMS, HULL&DECK MACHINERY SYSTEMS, INTEGRATED LOGISTICS&FLEET MAINTENANCE AND THE SUBMARINE SAIL.