The path ahead for the Navy's multibillion-dollar, Ohio-class replacement ballistic missile submarine has all the "ingredients for failure" due to its high level of complexity, according to a top service official. Adm. John Richardson, naval reactors director, said during his Oct. 22 presentation at the Naval Submarine League's annual symposium in Falls Church, VA, that the Ohio-class replacement program is on track, but warned the situation remained tenuous. "I'm worried we have oversimplified the problem," he said. "The time is...