In the months leading up to the invasion , the Allies conducted Action a substantial military deception , Operation Bodyguard , using Using both electronic and visual misinformation .

The operations Military_operation formed Coming_to_be the naval component of Operation Military_operation Bodyguard , a wider series of tactical and strategic deceptions surrounding Surrounding the invasion Attack .

It is possible that they contributed Causation to the overall confusion of D-Day as part of the wider Bodyguard plan Arranging .