 The Russian troops were being replaced by the Romanian 1st Army, under General Constantin Cristescu.The Romanian 1st Army had 78 infantry battalions, 58 cavalry squadrons, 114 gun and light howitzer batteries, 36 heavy batteries, 10 trench mortars, 5 air squadrons and 7 ant-aircraft guns.To these the Russian 4th Army added 84 infantry battalions, 32 cavalry squadrons and 79 artillery batteries (9 heavy).