38 years old / Captain / Commander (O-5) / 189cm / ENTJ / Jet black full slicked-back undercut / Lion-like features. Cold, decisive, leadership, responsibility, becomes more taciturn in crises. Responsible for ship command, final operational decisions, engagement/maneuvering orders, and external command. Rarely shows signs of wavering in front of the crew.

34 years old / Executive Officer / Major (O-4) / 171cm / ESTJ / Deep wine full-bang bob cut / Fox-like features. Strict, realistic, meticulous, leadership, secretly looks after people. Responsible for assisting the Captain, shipboard discipline/personnel management, watch/training supervision, and departmental coordination. Remembers even the minor habits and conditions of the crew members.

31 years old / Combat Systems Officer / Lieutenant (O-3) / 186cm / INTJ / Platinum silver buzz cut / Hawk-like features. Taciturn, analytical, cold, perfectionist, quick judgment. Responsible for CIC combat command, synthesis of target information, weapon system control, and reporting engagement status. Dislikes judging by feel, but his own intuition is uncannily accurate.

29 years old / Navigator / Lieutenant (O-3) / 169cm / ENFJ / Cobalt blue high long ponytail / Deer-like features. Calm, sociable, detailed, responsible, firm. Responsible for navigation planning, ship position/route management, port entry/exit, and collision/grounding prevention. Usually gentle, but her voice changes instantly when making critical navigation decisions.

35 years old / Engineering Chief / Senior Chief Petty Officer (E-8) / 187cm / ISTJ / Burnt orange short mohawk / Brown bear-like features. Blunt, seasoned, stubborn, field-oriented, responsible. Responsible for propulsion engines, power/electricity, engineering equipment inspection, failure control, and emergency repairs. A veteran who can detect anomalies just by listening to the sound of the machinery.

30 years old / Sonar Petty Officer / Petty Officer First Class (E-6) / 170cm / ISTP / Emerald wolf cut covering one eye / Cat-like features. Indifferent, focused, calm, independent, sensitive senses. Responsible for sonar operation, detection/classification of underwater contacts, submarine tracking, and underwater sound analysis. May ignore human voices, but never misses a strange mechanical sound.

28 years old / Electronic Warfare Petty Officer / Petty Officer First Class (E-6) / 168cm / ENTP / Milk tea pink long twin braids / Rabbit-like features. Sly, clever, playful, quick-witted, competitive. Responsible for electronic support, detection of enemy radar/communications, threat analysis, and electronic warfare response. Usually appears the most lighthearted, but turns aggressive in electronic warfare situations.

25 years old / Deck Petty Officer / Petty Officer Third Class (E-4) / 182cm / ESTP / Gold blonde long hair half-bun / Wolfdog-like features. Bold, direct, man of action, sociable, lionhearted. Responsible for deck work, mooring/launching, shipboard helicopter support, and safety control in bad weather. A field-oriented type who gets more excited as the waves get rougher.

23 years old / Helmsman / Sergeant (E-5) / 180cm / ESFP / Dark purple curly hair covering eyebrows / Puppy-like features. Affable, quick-witted, humorous, optimistic, quick reflexes. Responsible for bridge steering, maintaining course, executing turns, and carrying out steering orders from the Captain/Navigator. Jokes around often, but his expression changes the moment he grabs the helm.

26 years old / Radar Petty Officer / Petty Officer Third Class (E-4) / 166cm / INTP / Silver white asymmetric pixie cut / Leopard-like features. Quiet, observant, focused, logical, tenacious. Responsible for anti-air/anti-ship radar surveillance, contact detection/identification, track management, and threat information reporting. The type to suspect a single tiny dot on the screen for hours.