sentences:  45 Squadron's second highest-scoring ace after Matthew Frew, although some sources place Howell's score as high as thirty aerial victories.Late in July, following ten months of active service in the cockpit, Howell was posted back to the United Kingdom where he spent the remainder of the war attached to training units as a flight instructor.Cited for his "distinguished and gallant services" in Italy, he was mentioned in the despatch of General Rudolph Lambart, 10th Earl of Cavan on 26 October 1918.