 Ottoman aircraft attacked the Suez Canal twice during May , dropping bombs on Port Said . British aircraft bombed the town and aerodrome at El Arish on 18 May and 18 June , and bombed all the Ottoman camps on a front of 45 miles ( 72 km ) parallel to the canal on 22 May . By the middle of June , the No. 1 Australian Squadron , Australian Flying Corps , had begun active service , with " B " Flight at Suez performing reconnaissance . On 9 July , " A " Flight was stationed at <unk> in Upper Egypt , with " C " Flight based at Kantara . 
