FOR EDITORIAL USE ONLY

An outdoor video screen displays a live image of country music artist Martina McBride, right, performing during a Carnival LIVE concert aboard the Carnival Freedom Saturday, Feb. 14, 2015, while the a ship was docked in Galveston, Texas. To mark the beginning of the ship’s year-round voyages from Texas, Carnival Cruise Line, in partnership with Operation Homefront, staged the free concert and hosted an overnight stay for about 1,000 military personnel and their families. FOR EDITORIAL USE ONLY (Andy Newman/Carnival Cruise Line/HO)