Startling Comics #37

The Fighting Yank must break free from enemy captors who use a hypnotic machine to extract military secrets, managing to escape their grasp and disrupt their spell through sudden violent action. He then works to rescue his companion Grace, who has been kidnapped, leading to a confrontation at an abandoned jungle mission where the enemy holds other American prisoners. The Fighting Yank battles the villains and their forces in a climactic rescue attempt, ultimately succeeding in capturing Dr. Yanton and thwarting his dangerous plans to harm America.