SAN DIEGO—The sailor charged with starting a fire that destroyed the USS Bonhomme Richard last year was assigned to the ship after dropping out of training to become a Navy SEAL, and he was described by some fellow sailors as a person who had disdain for the Navy, according to investigators. Details of 20-year-old Ryan Mays and the early investigation into the worst U.S. warship fire in recent memory were revealed in a search warrant unsealed Tuesday in U.S. District Court in San Diego. The Navy confirmed that Mays was the sailor charged Thursday with aggravated arson and the willful hazarding of a vessel. His lawyer, Gary Barthel, said he had not seen the search warrant yet and could not comment on what it said until he had the chance to review it. “Ryan has maintained his innocence throughout this entire investigation,” he said. The fire started July 12, 2020, …