the savoy sector was commanded by general lestian until 1939, under the overall command of the army of the alps. a series of colonels commanded the sector from 1939 into 1940. the sector's artillery support was provided by the 164th position artillery regiment ("(régiment d'artillerie de position (rap)"), controlling both fixed and mobile artillery, commanded by lieutenant colonel de feydeau de saint-christophe, and later by colonel montvernay. command was at chambéry until august 1939, after which posts moved frequently. in 1940 the sector was reinforced by the 66th infantry division, a class b reserve uni, under general boucher, headquartered at st.-jean-de-maurienne.