sentences:  The convoy arrived at Casablanca on 1 June 1943, and, on 9 June, "Threat" departed North Africa with a convoy bound for New York.Throughout 1943, she continued escort duties in the Atlantic, completing three voyages to North Africa and numerous convoy shuttles along the Eastern Sea Frontier and into the Caribbean.Early in 1944, "Threat" helped to protect a convoy as it steamed via the Azores to the British Isles.