HOUSTON - Petty Officer 3rd Class Harold C. Sanchez , an operations specialist for Sector Houston-Galveston, helps guide inbound and outbound traffic safely toward their destinations while in the Houston Ship Channel, Jan. 21, 2011.
The Houston-Galveston vessel traffic services was established in 1975 under the authority of the Ports and Waterways Safety Act of 1972 to improve maritime safety and efficiency in the Houston-Galveston-Texas City port complex, the largest petrochemical port in the United States.
U.S Coast Guard photo by Petty Officer 3rd Class Richard Brahm.
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