Director J.M. Harper uses archival footage and testimonies from the members of the titular Soul Patrol to share their stories. The Vietnam war ended over a half-century ago, but the 20-year war remains a conflict that American artists keep going back to, finding new avenues and perspectives to tackle the many stories of the generation of men who had their lives irrevocably shaped by the conflict. Recent takes have centered the (often-neglected) perspective of the Vietnamese, or — like Spike Lee’