 {|    |}  hms sealion (s07) was a porpoise-class submarine. her keel was laid down on 5 june 1958 by cammell laird at birkenhead. she was launched on 31 december 1959, and commissioned on 25 july 1961. sealion attended the 1977 silver jubilee fleet review off spithead when she was part of the submarine flotilla.official souvenir programme, 1977. silver jubilee fleet review, hmso sealion was paid off in december 1987 and sold to an education trust for deprived inner city youngsters "inter action", arriving at chatham on june 22, 1988. she was broken up in 1990. ==commanding officers== {| class="wikitable" style="text-align:left" !from||to|||captain |- |1965||1966|||lieutenant commander r n buckley rn |- |1977||1977|||lieutenant commander j k boyle rn |- |1979||1979|||lieutenant j a collins rn |- |1983||1985|||lieutenant commander m gee ran |- |1985|| 1986 ||lieutenant commander r a w peck rn |- |1986|| 1988 ||lieutenant d lombard rn |} ==references==  ==publications== * {{british porpoise cla
1959_ships British_Porpoise-class_submarines Mersey-built_ships