A new commander of Coast Guard units in the Houston-Galveston area & Captain of the Port in those areas has relieved his predecessor during a change-of-command ceremony in Clear Lake. Capt. Brian Penoyer relieved Capt. James Whitehead, who is retiring from the Coast Guard after 26 years of service. As the commanding officer of Sector Houston-Galveston, Penoyer will oversee multi-mission operations from maritime homeland security to maritime environmental response. Prior to assuming command of Sector Houston-Galveston, Penoyer was a U.S.