A US aircraft carrier and its crew have fought Houthi attacks for months. How long can it last?

ABOARD THE USS DWIGHT D. EISENHOWER IN THE RED SEA — The combat markings emblazoned on the F/A-18 fighter jet tell the story: 15 missiles and six drones, painted in black just below the cockpit windshield. As the jet sits on the deck of the USS Dwight D. Eisenhower aircraft carrier in the Red Sea, its markings illuminate the enemy targets that it's destroyed in recent months and underscore the intensity of the fight to protect commercial shipping from persistent missile and drone attacks by the Iranian-backed Houthi rebels in Yemen. But they also hint at the fatigue setting in,…