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| Keywords: Greeneville Fire Control Station.jpg USS Greeneville's fire control station The four display screens at the fire control station looking left to right are 1 line-of-sight 2 time-bearing 3 TMA and 4 op-summary 1 Line-of-sight shows bearing as a vertical line contact as a vector at the top of the screen and own ship as a vector at the bottom of the screen 2 Time-bearing plots contact bearing against time 3 TMA compares incoming sonar bearings shown as dots with the bearing generated by the fire control computer for the parameters of course speed and range in the computer Incoming dots appear above the previous dots to form a line of dots To achieve a tracking solution the FTOW varies course speed and range settings to eliminate the difference between the generated bearings and the actual bearings coming from sonar 4 Op-summary shows position of all contacts and land with respect to position of own ship U S Navy photo Source http //www ntsb gov/publictn/2005/MAB0501 htm PD-USGov Control rooms USS Greeneville SSN-772 Fire control systems Submarine interiors | ||||
