Complex sentence: Anxious to see old friends, he heads for Scuffy's, his favorite pre-war soda shop that has become a bar, where his friend and naval aviator Pinky introduces him to Pat Ruscomb (Maguire).
Split into simpler sentences: Anxious to see old friends, he heads for his favorite pre-war soda shop, now a bar. There his friend and naval aviator Pinky introduces him to Pat Ruscomb (Maguire).