The Navy will complete a study in the fall concerning the multibillion-dollar Ohio-class ballistic submarine replacement program, according to the nominee to become the next chief of naval operations. Adm. John Richardson, who currently serves as naval nuclear propulsion program director, said during a July 30 Senate Armed Services Committee hearing on his nomination that the study is focusing on maturing both the submarine's design and build plan. InsideDefense.com reported this week that the Navy, when working in 2010...