French Coast - Operation Myrmidon

Date commenced: 
Saturday, April 4, 1942
Abortive raid, River Ardour, Southern France. Some of the objectives of the operation were the coast defence guns at the entrance to the river, a T.N.T. factory, and a small aircraft factory, in addition to the  the port facilities. The original plan was for the expedition to sail on the 31st March and to assault on the night 4/5 April.
 
Source
War Cabinet Chiefs of Staff Committee (C.O.S. 42 99th Meeting) document reference National Archives file CAB/79/87/5.