Band practice for Moroccan troops on way up to Eastern frontier . Moroccan troops are among the divisions sent up to reinforce the garrisons of the elaborate and costly system of fortification and the Maginot line on the eastern frontier during the critical period following Germany ' s re-occupation of the Rhineland . French villages near the frontier are oncee again becoming familiar with the monotonous tramp of marching troops and the dreaded roaring of Army tanks an armoured cars . Photo shows , band practise for the Moroccan troops near Dimsheim on the way up to eastern frontier . 16 March 1936