Operation Harling was conceived in late summer 1942 as an effort to stem the flow of supplies through Greece to the German forces under Erwin Rommel in North Africa.
Operation Overlord | Operation Enduring Freedom | Operation Barbarossa | Organization for Security and Co-operation in Europe | Operation Market Garden | Organisation for Economic Co-operation and Development | Operation Torch | Operation Vistula | operation | Operation Provide Comfort | Operation Anaconda | Police and Judicial Co-operation in Criminal Matters | Operation Weserübung | Operation Shingle | Operation Ivy | Operation Highjump | Operation Blue Star | Operation Anthropoid | Operation Paperclip | Operation Downfall | Operation Deny Flight | Operation Thunderbolt | Operation Southern Watch | Operation Michael | Operation Entebbe | Operation Condor | Operation Yoav | Operation Varsity | Operation United Shield | Operation Pacific |
In this capacity, he was directly involved in the coordination of the rival ELAS and EDES partisan groups for the destruction of the Gorgopotamos viaduct in November 1942 (Operation Harling), and for the British destruction of the Asopos railway bridge on 21 June 1943 as part of Operation Animals.
In September 1942 he was parachuted to mainland Greece as the Second-in-Command of the Harling Force, headed by Eddie Myers, whose task was to blow up the Gorgopotamos bridge.