 After a few years, he rejoined the Army in 1936, this time in the Green Howards (1st Battalion at Portland).He was stationed in Palestine, where he distinguished himself as a lance-corporal in December 1938 when his unit was attacked on the road between Nablus and Tulkarm.His section was ambushed at close range with rifle fire, but Peacock largely suppressed the attack with well-placed fire from his Bren gun, despite a wound to his head.