#naval_unit__navalunit  a military unit that is part of a navy
  supertype:  military_unit__military_force__force  a unit that is part of some military service; "he sent Caesar a force of six thousand men"
  subtype:  US_Marine_Corps  division.naval_unit  squadron.naval_unit
  member of:  navy__naval_forces  an organization of military naval forces

No statement uses or specializes naval_unit; click here to add one.