Richard Humphreys

Under Pressure: Life on a Submarine


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      I switched off the radio, made my way slowly up the stairs, shut the bathroom door and shed a tear. It was 16 November 2017, the day after the Argentinian submarine the ARA San Juan went missing in the South Atlantic off the coast of Argentina. At first, in those early days, it was unclear what had provoked the accident or what fate had befallen the crew, whether they might somehow still be alive beneath the waves. But then, with time, the cause of the tragedy became clear. An electrical malfunction had short-circuited the battery, which led to a complete loss of power for the old diesel-powered submarine. The San Juan had then sunk to the ocean depths, before finally imploding under the intense water pressure. The entire crew of 44, which included the first female submarine officer in the Argentine Navy, Eliana Krawczyk, had perished.

      At the age of 18, in the mid-1980s, I became a member of an elite group who served aboard Britain’s nuclear deterrent, continuing my service for the following five years, while the Cold War was still hot and nuclear confrontation seemed scarily imaginable. In the 30 years since I left the Navy, submarine living and operating have remained fundamentally the same, although the creature comforts – including email, laptops, PlayStations and other products of the digital age – mean that some aspects are possibly easier now than they were during our stand-off with the Soviet Union.

      I hope that what you are about to read will go a little way towards explaining the raw, real-life experience of what it’s like to spend prolonged periods of time on a submarine. I’ve tried not to focus on the military aspects, although by necessity some of these will come into the story, but have rather concentrated on how it feels to live day-to-day in this claustrophobic, man-made environment, describing the pressures it exerts on both one’s mind and body.

Photograph showing Royal Navy ID card of the author.

      The ID card issued to me on joining HMS Resolution. I’m going for a Mick Jones from the Clash vibe.

Diagram of Polaris submarine.

Diagram showing the hierarchy of personnel on board Polaris submarines.

      Terminology

      alongside: status of submarine when berthed at jetty, in Resolution’s case at Faslane, awaiting to go to sea for patrol or work-up. Also where ship maintenance, storing ship, and loading both missiles and torpedoes – at Coulport – take place.

      AMS (auxiliary machinery space): three areas on the submarine – AMS 1, 2 and 3 – where various bits of machinery are located.

      angles and dangles: deep-water procedure where submarine dives and heads back to surface at steep inclines to test if boat is safely stowed for sea. Any noise generated by falling pots, pans or bits of machinery could give boat’s position away on patrol. Great fun.

      attack team: warfare team under guidance of XO reporting to captain, who has overall command. Consists of sonar team, tactical systems team, warfare seaman officers, XO and captain.

      auxiliary vent-and-blow system: back-up vent-and-blow system in case of failure of main systems. May be used for diving and surfacing of submarine.

      bathythermograph: instrument to measure changes in water temperature at different depths. Also used to measure velocity of sound in water. Sensors located in top of fin and keel.

      BRN mast: supplies submarine with instantaneous navigation information to lock down its latitude and longitude at PD.

      bubble: ‘up bubble’ means bow of submarine is angled up; ‘down bubble’, bow angled down; ‘zero bubble’, boat kept steady on depth. Controlled by afterplanesman.

      casing: outer non-watertight upper hull of submarine, designed for hydrodynamic performance. Pressure hull is the inner hull.

      CEP (contact evaluation plot): time-bearing plot constantly in operation on patrol where every sonar contact is plotted so its course, range and speed can be calculated for firing solution or to avoid collision.

      Coulport (Royal Navy Armament Depot Coulport): on Loch Long, Scotland. Military facility that stores and loads Britain’s nuclear weapons carried by submarines, first Polaris, then Trident.

      1 Deck: nav centre, control room, wireless office, sound room, sonar console space, electronic warfare (EW) shack containing radar room, electrical equipment space with closed room containing navigator’s maps.

      2 Deck: entertainment and living spaces: wardroom and officers’ bunks, senior rates’ mess and annex, upper bunk space, coxswain’s office, sick bay, galley, scullery, junior rates’ dining area and mess in upper level of torpedo compartment.

      3 Deck: senior and junior rates’ bunks, junior rates’ toilets, laundry, AMS 1, missile control centre.

      dolphins: gold submariners’ qualification badge to denote