No, actually it was OM "A" school in Great Lakes, 1980. I started out as an Opticalman, fixing Periscopes, Big huge range finders in gun turrets, navigation equipment. 13 month "A" school, the first phase was machine shop, We had a MRC who taught that phase, about 12 weeks long. all of the equipment we worked on was so old it was obsolete and no parts were available so we had to make them. Some of the most advanced nuclear submarines back in the 80's had 2 periscopes, a Navigation scope and an attack scope, the attack scopes were all pre WWII! Most of the stuff we machined was really small gears, racks, lens retainer rings. Was at Subase Pearl Harbor from 81-85 then the USS Prairie AD15 1985-1991 Long Beach Naval Station, was only a OM till 86' went to Dive school, and switched rate to EN.