Subsequently, artillery fire from Fort Driant (part of the Metz fortifications) made bridging and ferrying operations by the corps at Arnaville quite difficult. Finally, on 16 September, armored elements of the corps (U.S. 7th Armored Division) broke out of the Arnaville bridgehead and advanced toward the river Seille.
The situation became complicated due to artillery fire from Fort Driant (part of the Metz fortifications), making bridging and ferrying operations by the corps at Arnaville extremely difficult. On 16 September, armored units of the U.S. 7th Armored Division successfully broke out of the Arnaville bridgehead and advanced toward the Seille River.