Don Winslow of the Navy #23

Don Winslow and his crew crash-land their damaged bomber plane on a remote island after a bombing run, discovering it has been converted into a secret Japanese airfield. When they attempt to commandeer a plane to escape, they encounter enemy soldiers at the hideout. After a tense confrontation where the Nazi leadership reveals plans to use disguised Marines to assassinate the American President, Don and his men must fight their way out while threatening to expose the plot, ultimately making their escape as a Navy ship arrives to pick them up.