At the risk of being labelled a sad anorak-wearing nerd
, he was emulating Simon Williams as Group Captain 'Chunky' Gilmore of the RAF Regiment-led Intrusive Counter Measures Group, as seen in one of Sylvester McCoy's better Doctor Who stories, 1963-set 'Remembrance of the Daleks', from 1988. I knew my extensive knowledge of Doctor Who would come in handy one day.
Anorak off, coat on.