Ranks (IDF)

Ranks in the IDF fleet were similar to those used in the United States Navy on earth.
 * Fleet Admiral (commander-in-chief of the fleet)
 * Admiral (highest flag rank; equivalent to a general in ground forces)
 * Vice Admiral (second-highest flag rank)
 * Rear Admiral (lowest flag rank)
 * Commodore (often essentially a captain with command over more than one ship)
 * Captain (commands own ship or base; equivalent to Colonel of ground forces)
 * Commander (might command a smaller ship, or be the XO on a larger ship)
 * Lieutenant Commander (usually addressed as "Commander," often a department head or XO)
 * Lieutenant (might be a junior department head, or department head on a smaller ship)
 * Lieutenant Junior Grade (usually addressed as "Lieutenant")
 * Ensign (lowest commissioned officer)
 * Chief Petty Officer (highest non-commissioned officer; specialist; similar to a sergeant in ground forces)
 * Petty Officer (often an technician; similar to a corporal in ground forces)
 * Crewman
 * Recruit