Complex sentence: In 1950 the 157th was re-equipped with former World War II F-5 Mustangs, now designated RF-51D which had been used in the United States in a training role and the squadron became part of Tactical Air Command as a Tactical Reconnaissance Squadron.
Split into simpler sentences: In 1950 the 157th was re-equipped with former World War II F-5 Mustangs, now designated RF-51D which had been used in the United States in a training role. Te squadron became part of Tactical Air Command (TAC) as a Tactical Reconnaissance Squadron.