David Jenkins served 1956 - 1985
| SHIP | FROM | TO | RATE/RANK COMMENTS |
| HMS ST VINCENT | 1956 | 1957 | Junior Seaman |
| HMS OSPREY | 1957 | 1957 | J/S UC Basic Course- Instructor CPO TASI Frank Elgie |
| HMS GRENVILLE | 1957 | 1958 | O/S UC BASIC & * Capt F Portland Squadron- Master Gunner McCracken TASO |
| HMS ALERT | 1958 | 1960 | A/B UC* C-in-C Yacht Far East |
| HMS VERNON | 1960 | 1961 | A/B UC2 Course |
| HMS MURRAY | 1961 | 1962 | L/S UC2 S/LT J Harrison SD (TAS) TASO |
| HMS VERNON | 1962 | 1962 | L/S UC2 - UCI Course Instructor 'Cut’s' Curtis |
| HMS TARTAR | 1962 | 1964 | PO UC1 'Cut's' Curtis TASI |
| HMS VERNON | 1964 | 1965 | PO TASI Course- |
| HMS VERNON | 1965 | 1966 | Sonar SectionUC Basic Classes |
| HMS NELSON | 1966 | 1966 | RNB School |
| HMS LOWESTOFT | 1966 | 1966 | 2 months Bridge Training Lt. Roy Lambert SD (TAS) Div O. |
| SD SCHOOL EASTNEY | 1966 | 1967 | Qualified A/S/Lt (SD) (TAS) |
| HMS DEFENDER | 1968 | 1968 | A/S/Lt - Bridge Watch keeping Ticket CPO UC1 John Viner Senior TAS |
| HMS VERNON | 1968 | 1969 | Short TAS Course Lt. Geoff Broome Course Officer. See Note 1. |
| HMS EXMOUTH | 1969 | 1970 | S/Lt. (SD) (TAS)-TASO |
| HMS NUBIAN | 1970 | 1970 | S/Lt. (SD)- TASO relieved Lt. Cdr. Ken Mead (TAS) |
| HMS VERNON | 1971 | 1972 | Long TAS Course 1971B- Lt. (SD) See Note 2. |
| HMS ARGONAUT | 1972 | 1974 | Lt. (SD)- TASO/OPS Officer. Relieved Lt. Tom Heppel. See Note 3. |
| HMS DRYAD | 1974 | 1975 | Lt. (TAS) TASO- relieved Lt. (SD) (TAS) John Lynas |
| HMCS STADACONA | 1975 | 1978 | Lt. (TAS) i/c ASW SONAR & WEAPONS Lt. CDR (TAS) TAS Tactical Section |
| HMS FEARLESS | 1978 | 1979 | Lt. Cdr. i/c Dartmouth Officer Training (Sea) |
| HMS HERMES | 1979 | 1979 | Lt. Cdr. i/c Dartmouth Officer Training (Sea) |
| HMS INTREPID | 1979 | 1980 | Lt. Cdr. i/c Dartmouth Officer Training (Sea) |
| HMS ANGLESEY | 1980 | 1982 | CO (Fisheries Protection Squadron) |
| RNC GREENWICH | 1982 | 1983 | Saff Course - Lt. Cdr. /Cdr. |
| HMS PHOENIX | 1983 | 1984 | Cdr. NBCD |
| HM DOCKYARD PORTSMOUTH | 1984 | 1986 | Deputy Captain Of The Port |
| MEDICAL DISCHARGE | 1986 | COMPLETED 30 YEARS SERVICE |
Note 1: CPO TASI Alan Quatermaine
Note 2: Lt. Cdr. DB Mansergh Course Officer. CPO TASI H. J. Hyland Course Instructor
Note 3: CPO TASI Jim Jackson / CPO TASI Eric Bowers