Kong) 15th Observation Battery and 173rd Locating Battery 1950 at Lo Wu Camp 15th Medium Regiment, RA (1955–1957; 7 and 38 Med Btys at Gun Club Hill Barracks) 18th Medium Regiment, RA (1966-1969; 40 and 52 Lt Btys at Borneo Lines, Sek Kong. RHQ disbanded in Hong Kong and Regiment placed into Suspended Animation.) 19th Field Regiment, RA (1956–1958; 25, 28 and 67 Fd Btys at Quarry Bay Camp and Sek Kong Camps) 20th Anti-Tank Regiment, RA (1952; 1953–1955, with 12, 45 and 107 Fd Btys at Sek Kong Camp, 1975–1976; disbanded in HK in 1976) 23rd Field Regiment, RA (1949–1952; 49, 50 and 69 Fld Btys at Quarry Bay Camp) 25th Field Regiment, RA (1947–1955; 35, 54 and 93 Fld Btys at Gun Hill Club Barracks; 1969–1971 at Borneo Lines, Sek Kong) 27th Heavy Regiment, RA (1949-1957; Redesignated 27th HAA Regt RA in 1950; 119 Bty to 34th LAA Regt RA in 1952; at Clear Water Bay and Stonecutters Island.) 32nd Medium Regiment, RA (1952-1954,74 and 98 Med Btys at Gun Club Hill Barracks; 1959–1961, 46, 50 and 74 Med Btys at Whitfield Barracks & Gun Club Hill Barracks) 34th Light Anti-Aircraft Regiment, RA (1949-1952; 1961–1963, 11 and 58 LAA Btys at Gun Club Hill Barracks) 42nd Field Regiment, RA (1955–1956, with 68, 87 and 179 Fld Btys at Sek Kong Camp) 45th Field Regiment, RA (1951–1953 with 70, 116 and 176 Fld Btys; 1959–1961) 47th Coast Regiment, RA (1971-1973 with 3, 4 Lt and 31 Med Btys at Borneo Lines, Sek Kong) 49th Anti-Tank Regiment, RA (1957-1961, with 55, 127 and 143 Fld Btys at Borneo Lines, Sek Kong; 1964–1966, with 143 Bty at Dodwells Ridge Camp) 58th Medium Regiment, RA (1949–1951; with 118 and 175 Med Btys at Gun Club Hill Barracks) 72nd Light Anti-Air Regiment, RA (1952–1955, with 31, 206 and 216 LAA Btys at Gun Club Hill Barracks) 74th Light Anti-Air Regiment, RA (1955–1958, with 158 and 161 LAA Btys at Whitfield Camp) Engineers Royal Engineers and Queen's Gurkha Engineers 1 Field Squadron, 22nd Fortress Company, Royal Engineers (circa 1939) 40th Fortress Company, Royal Engineers (circa 1939) 24 Field Engineer Regiment, Royal Engineers 11 Field Squadron, RE (1950-1951, Sek Kong, formed by renumbering 50 Fd Sqn 24 Field Engineer Regiment) 15 Field Park Squadron, RE (1950-1958, formed by renumbering 46 Fd Park Sqn) 50 Field Squadron, RE (1949-1950, for by renumbering 11 Field Squadron) 54