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Aclearance diver was originally a specialist navaldiver who usedexplosivesunderwater to remove obstructions to make harbours and shipping channels safe to navigate, but the term "clearance diver" was later used to include other naval underwater work. Units of clearance divers were first formed during and afterWorld War II to clear ports and harbours in theMediterranean and Northern Europe ofunexploded ordnance and shipwrecks andbooby traps laid by theGermans.
Clearance Diving takes its name from the operations carried out towards the end and after the Second World War to clear the ports and harbours of theMediterranean andNorthern Europe of unexploded ordnance and booby traps laid by theGermans.This work was undertaken by RN Rendering Mines Safe (RMS) and Bomb Disposal Units and later by Port Clearance Parties or ‘P’ Parties, two of which (Naval Parties 1571 and 1572) went into action soon afterD-Day to clear the vast quantities of unexploded ordnance and general debris left after the Allied invasion. They were joined later by other ‘P’ Parties including ‘P’ Parties 1573, 1574, 1575 and 2444 (many of which had Commonwealth naval personnel) and ‘P’ Party 3006 manned by theDutch.
Work in the European theatre continued until well after the end of the war. Most of the ‘P’ Parties were disbanded, together with HMS Vernon(D) atBrixham, on 30 November 1945. The exceptions were ‘P’ Party 2444, which was still operating atDunkirk, and ‘P’ Party 2443 which had been formed in June 1945 to deal with residual suspected unexploded ordnance around theUK coast after the war and became based atHMS Vernon,Portsmouth.[1]
The first units wereRoyal Navy Mine andBomb Disposal Units. They were succeeded by the "Port Clearance Parties" (P Parties). The first operations by P Parties included clearing away the debris of unexploded ammunition left during theNormandy Invasion. DuringWorld War II Navies used the heavy surface-suppliedstandard diving dress before changing to lighter self-contained rebreather equipment
Admission to clearance diver training requires the candidate to pass medical and physical fitness screening and to be a member of the relevant military force.[2] Additionally, intense training in diving is needed, as well as training in bomb disposal.
Surface Supplied diving techniques, diving supervision planning and execution, using air (50m) and oxy-helium (HeO2 constant partial pressure) breathing apparatus to 60m.
Diving training will be conducted using in-service RN constant partial pressurehelium –oxygen equipment (Clearance Diving Life Support Equipment (CDLSE), air surface supplied Open Space Diving System (OSDS) and Swimmers AirBreathing Apparatus (SABA).[3]
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The scope of activity for a clearance diver varies depending on the specific armed force in which they are a member, but historically the most defining competence is skills in underwater demolition using explosives. The closely associated skills in explosive ordnance disposal are also generally implied by the designation.
Clearance divers possess the skills of both expert divers and bomb disposal groups. There tend to be relatively few clearance divers on any given naval ship.[4]
Divers are required to go underwater and de-fuse bombs (EOD Diver) with a starting salary of over $26,000.[citation needed]
The starting salary is the salary given to a diver who has just finished training and is a newrecruit. They gain a profession inwarfare.[citation needed]
The final salary, after undertaking the job for long enough, will have a higher pay than a recruit as they have gained more experience. A more experienced diver can have a potential salary of over $62,000.[citation needed]
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Royal Navy divers are officially called Clearance Divers.[13] DuringWWII divers used theDavis Submerged Escape Apparatus (DSEA), nowetsuit orswimfins.[14] On 17 December 1942, six Italian divers (ofDecima Flottiglia MAS) on threemanned torpedoes attackedGibraltar harbour. A British patrol boat killed the crew of one with adepth charge. Their bodies were recovered and their swimfins later used by Gibraltar's guard divers (Sydney Knowles and CommanderLionel Crabb). This was the first known British use of swimfins.[citation needed]
In November 1944, followingsurrender of Italian forces an Italian frogman brought twoDecima Flottiglia issue oxygenrebreathers and a two-piece frogman's drysuit toLivorno, for the Allies to use. This equipment proved better than the Davis Apparatus and lasted longer on a dive. After the war and until the 1990s divers used theSiebe Gorman rebreather[15][16] andaqualung.[citation needed]
Training to become a Clearance Diver takes around 7 months. Before trainees are accepted onto a course, they must pass a week-long diving aptitude selection, held at the Defence Diving School, onHorsea Island, Portsmouth. This selection involves passing the Divers Physical Fitness Test (DPFT), tests of physical and mental endurance and surface swimming. The candidates are also introduced to the Royal Navy's Swimmers Air Breathing Apparatus and dive in Horsea lake, including night dives. Historically, the failure rate has been high due to the physical and psychological pressures of military diving, so there is a three-day Pre Entry Diving Acquaint (PEDA), which allows prospective candidates to undergo physical and mental tests to give them a better idea of what to expect of the training.[citation needed]
The diving branch is formed of teams, that serve aboardmine hunters, perform domestic bomb, mine andIED disposal and the two Fleet Diving Groups (FDG).
Clearance divers have been involved in every major British conflict since their inception and have most recently deployed teams to Iraq, Afghanistan and Libya. They have units operating in thePersian Gulf andIndian Ocean providing an underwater force protection (UWFP) element. SeeOperation Kipion.[citation needed]
From 2022 Royal Navy Divers will come under theDiving & Threat Exploitation Group (DTXG) based inPortsmouth,Plymouth andFaslane. It comprises:
