Commissioned from ranks to Royal Artillery.
1943-1944 Auxiliary Units Intelligence Officer, Herefordshire, Worcestershire and Monmouthshire.
9 October 1954 Exceeding age limit ceased to be liable for recall Territoiral Army Reserve of Officers.
Bucknall was born in New York. He married Barbara Helen Shorrock.
Herefordshire Young Farmers still compete for the Major H.L.F Bucknall Cup for ploughing.