sentences:  It took these to France on 6 March that year as part of 9th Wing, flying its first bombing mission against Valenciennes railway station on 23 April 1917 in support of the Battle of Arras.Having been based at Tantonville where muddy conditions hampered operations, it moved at the beginning of June 1918 to Azelot.It became part of the Independent Air Force as part of No 41 Wing, carrying out daylight strategic bombing missions against targets in Germany.