Complex sentence: Redesignated the 53rd Long Range Weather Recon Squadron in 1945, the term "Hurricane Hunters" was first applied to its activities in 1946, and it became a part of the USAF in 1947, based in Bermuda and England.
Split into simpler sentences: Redesignated the 53rd Weather Reconnaissance Squadron in 1945, the term "Hurricane Hunters" was first applied to its activities in 1946. The 53rd became a part of the USAF in 1947, based in Bermuda and England.