ST. PETERSBURG, Fla. — Seaman Alayn Hernandez, crewmember aboard the Coast Guard Cutter Joshua Appleby, homeported in St. Petersburg, Fla., received his U.S. citizenship aboard the Appleby in a small ceremony, Friday. Hernandez took his the Oath of Allegiance during a U.S. Citizenship and Immigration Services naturalization ceremony in front of the crew of the Appleby, members of Sector St. Petersburg...