Submarine-Launched Expendable Bathythermograph (SSXBT) Submarine-Launched Expendable Sound Velocimeter (SSXSV) Submarine- Launched Expendable Profi ling System Submarine-Launched Expendable Bathythermograph (SSXBT) Submarine-Launched Expendable Sound Velocimeter (SSXSV) Submarine-launched Connector Box expendable profi ling This unit provides the electrical connection between the SSXBT and the system. recorder. It also includes status indicator Recorder/Processor lamps to inform the operator of the recorder operating status. The AN/BQH-7/7A (EC) and MK8-F (export version) recorders/processors Signal Ejector are PC-based systems operating in the This unit launches the SSXBT from Windows environment. The recorders the submarine. The SSXBT/SSXSV is collect and process the data and display compatible with any submarine signal it in real time on an active matrix LCD. ejector capable of launching three-inch Submarines under the sea operate in a The data is stored on hard disk and can diameter devices. three dimensional world. Knowledge of be output via the I/O communication Breech Door/Cable Feed-Through the environment is extremely important port (RS-232 or RS-422) to an external Assembly for offensive operations as sensor combat system or workstation. The AN/ This unit, developed and manufactured effi ciency is directly related to underwater BQH-7/7A and MK8-F are compatible by Lockheed Martin, provides the inner sound propagation. These same with all Lockheed Martin probes door for the signal ejector. It allows the requirements exist for defensive tactics and launchers. The AN/BQH-7/7A tether wire to pass through the door and — survival may depend on choosing the and MK8-F Submarine Systems are provides a seal around the wire. At the best operating depth to hide from surface compatible with submarine three-inch end of probe deployment, a guillotine in and air ASW forces. Lockheed Martin has signal ejectors and the Lockheed Martin the assembly cuts the tether wire allowing designed and built complete submarine Submarine connector box. the SSXBT components to clear the environmental measuring systems for the Sequence of Operations submarine and scuttle. U.S. and international navies for over 25 • The SSXBT is launched from the years. These systems allow submarines Expendable Probe signal ejector to profi le temperature or sound velocity The SSXBT Expendable of a submarine from the surface to 850 meters without Bathythermograph probe senses the and begins to having to change depth. With this water temperature profi le from the ocean ascend. information, the submarine commander surface to a depth of 760 meters and can compute ray path propagation for his • The fl oat transmits it to the moving, submerged own sensors and those of his adversary. separates from submarine. The SSXSV Expendable the lifting Sound Velocimeter probe provides a body and profi le of measured sound velocity to a continues to depth of 850 meters. All Lockheed Martin ascend. submarine launched probes are also • When the available in under-ice confi gurations. fl oat reaches the surface, the probe and System Performance intermediate Lockheed Martin Mission Systems and Training spool deploy 300 M. Street, SE and the fl oat Washington, D.C. 20003, USA immediately www.lockheedmartin.com/mst/product_contacts scuttles. The Copyright ©2013 Lockheed Martin Corporation probe starts to transmit temperature All rights reserved PIRA #200907008 or sound velocity data back to the shipboard recorder/processor. AUG2013/20050053