Coast Guard 45-foot Response Boat-Medium file photo CORPUS CHRISTI, Texas — The Coast Guard medevaced a 74-year-old male from a charter vessel 9 miles off South Padre Island, Texas, Thursday. Coast Guard Sector/Air Station Corpus Christi command center watchstanders received a medevac request at 8:42 a.m. via VHF Channel 16 from the crew of the charter vessel Thunderbird stating a mariner was exhibiting...