U.S. Coast Guard Maritime Enforcement specialist 3rd Class Aaron Hernandez, talks with members of his boat crew, February 13, before a Maritime Safety and Security unit patrol on the Rio Grande river in McAllen, Texas. Maritime Safety and Security Teams (MSSTs) provide a dedicated active duty force of about 50 personnel, possessing specialized skills, capabilities, and expertise to perform a broad range of port security and harbor defense missions. (U.S. Coast Guard by Petty Officer 3rd Class Carmen Caver)