The American writer and publisher George Nafziger states that the 1st Skijäger Division was formed on 2 June 1944 by expanding the 1st Skijäger Brigade, which had been initially formed in September 1943. As was usual for German formations at this point in the war, the division was formed around existing units which were strengthened with new recruits. Elements of the 19th Panzergrenadier Brigade, the 65th Heavy Artillery Regiment, the 152nd Panzerjǎger Battalion and the 18th Werfer (Rocket) Battalion with the 615th Flak (anti-aircraft) Battalion which was used to expand the brigade into a division.