Bog-standard is a well-known informal term, which originated in Britain; it means something ordinary or basic, but often in a dismissive or derogatory way.
corpsman. An enlisted person in the US Armed Forces who works as a member of the medical team. During duty in the armed forces he or she receives training and experience in one or more health-related fields. In wartime, a corpsman may be assigned as the only medically trained person to a field unit or a small ship.
Originally located at Great Lakes IL. one of the Navy's A schools (primary rating training). Upon graduation, the hospital corpsman is given the Navy Enlisted Classification (NEC) code of HM-0000, or quad-zero in common usage.