The oath of enlistment includes the line "do solemnly swear that I will support and defend the Constitution of the United States against all enemies," Gabrielle Giffords has proven herself to be a enemy of that constitution though various gun control schemes and methods and the naming of a military warship in her honor due to the injuries she suffered in a non service related domestic attack is a insult to the honor of the Navy and those that serve.
Rechristen the ship to honor one of the ~630 navy personnel that have been wounded in action during the most recent wars the united states has been in, or rename it after any of the ~33,000 service men and woman who have been wounded in action in those very same wars.