Complex sentence: An auxiliary airfield for NAS Pensacola and NAS Whiting Field, NOLF Barin was originally comprised of twin airfield complexes, the West Field originally established as Foley Municipal Airport in the mid- 1930s and leased by the U.S. Navy in 1942.
Split into simpler sentences: An auxiliary airfield for NAS Pensacola and NAS Whiting Field, NOLF Barin was originally comprised of twin airfield complexes. The West Field was established on the site of the original Foley Municipal Airport that was constructed in the mid- 1930s and leased by the U.S. Navy in 1942.