 Complete the following phrase:  In February 1918, the squadron began replacing its Nieuport 17s with Hanriot HD.1s. Hanriot supplies being insufficient, some Nieuport 27s were also brought on strength. The squadron served on through Summer 1918. Then, on 26 October 1918, it was included in the Massa da Caccia Fighter Mass that supported the victorious final Italian offensive at 