REFORGER 78 Saxon Drive / Certain Shield US Army and Allied Armies train to counter a Conventional Attack from the East During REFORGER 78 forces from the USA were mainly deployed in the autumn manoeuvres Saxon Drive and Certain Shield in West Germany. During the corps training exercise Saxon Drive of the Dutch I (NL) Corps, units of the 1st Brigade, 4th (US) Infantry Division were operationally subordinated to the 4th (NL) Division. The 3rd Brigade, 2nd (US) Armored Division (Forward) fought on the side of Blue Force.