Month	Year	Submarine Escape Excercises
???	1962	HMS TOKEN (UPSHOT 1)
???	tbc	??? (UPSHOT 2)
???	tbc	??? (UPSHOT 3)
JUL	1965	HMS ORPHEUS (UPSHOT 4 Malta - Mk 5/6 SEIE)
???	1970	HMS OSIRIS (UPSHOT 5 - World record 600 feet keel depth)
OCT	1976	HMS ORPHEUS (Maximum depth 325 feet feet keel depth)
JUN	1977	HMS ORPHEUS (Maximum depth 180 feet keel depth)
JUL	1978	HMS PORPOISE (Maximum depth 310 feet keel depth)
OCT	1978	HMS REVENGE (Maximum depth 140 feet keel depth)
???	1979	HMS OSIRIS (Maximum depth 230 feet keel depth)
NOV	1980	HMS ONYX (Maximum depth 320 feet keel depth)
OCT	1982	HMS REPULSE (Maximum depth 310 feet keel depth)
NOV	1982	HMS ORACLE (Maximum depth 320 feet keel depth)
OCT	1984	HMS SEALION (Maximum depth 330 feet Tower depth - World record - Mk 8 SEIE)
JUL	1987	HMS OTUS (Maximum depth 601 feet keel depth)
JUN	1989	HMS OPOSSUM (Maximum depth 145 metres - Mk 8 SEIE)
JUL	1991	HMS OCELOT (Maximum depth 90 metres - Mk 8 SEIE)
APR	1993	HMS ORACLE (Maximum depth 90 metres - Mk 8/9/10 SEIE)
APR	1994	HMS URSULA (Maximum depth 300 feet - Mk 8/9/10 SEIE) Escapex 1994 presented the first opportunity to validate the escape system fitted to the Upholder Class submarine
NOV	2003	HMS VIGILANT (Maximum depth 45 metres - Mk 10 SEIE) Escapex 2003 presented the first opportunity to validate the escape system fitted to the Vanguard Class submarine and was carried out using the forward LET (2 man Tower) on HMS Vigilant)

The Hall - Rees Submarine Escape equipment
C.1907.

DSEA, invented by Sir Robert Davis, head of Messrs.
It consists of a breathing bag fed with oxygen fitted with a mouthpiece;
a noseclip compels breathing through the mouth.
On the surface, the apparatus acts as a lifebelt.
User must remember to disconnect the mouthpiece when he reaches the surface or else he will suffocate when the oxygen supply is exhausted by breathing pure oxygen under pressure, or in fact over a depth of 60 foot, men may get convulsions or blackouts.

1954 – 1965 MK.2. Used for: Compartment Escape (Rush Escape). Utilising a Built in Breathing system (BIBs) and the Buoyant exhaling method of ascent.
1954 – 1965 MK.5.SEIE. Used for: Compartment Escape (Rush Escape). Utilising a Built in Breathing system (BIBs) and the Buoyant exhaling method of ascent.		Submarine
1965 SINGLE MAN ESCAPE TOWER fitted at 28 metres in conjunction with MK 6 SEIE. Enhanced escape system, a Hooded suit that allows a normal Breathing method of Ascent.
1971 (MK 7 SEIE) fitted with an improved hood. A New World Record ESCAPE DEPTH of 600 feet by the staff off Malta. HMS OSIRIS (UPSHOT 5 - World record 600 feet keel depth)
Increased Depth World Record 601 feet – Norway (MK 8 SEIE) (Submarine escape tower upper hatch depth.)
MK10: This suit is fitted with a single man liferaft. Foreign and commonwealth navies still use this suit.
2008 - present Bfa Liferaft - providing an inflateable Canopy,Deck & Buoyancy ring resulting in a much more stable liferaft

Developement of Escape Training	History of Escape Training Tank

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