After Custer and the 7th Cavalry are wiped out by Indians, everyone expects the worst. Capt. Nathan Brittles is ordered out on patrol but he’s also required to take along Abby Allshard, wife of the Fort’s commanding officer, and her niece, the pretty Olivia Dandridge, who are being evacuated for their own safety. Brittles is only a few days away from retirement and Olivia has caught the eye of two of the young officers in the Company, Lt. Flint Cohill and 2nd Lt. Ross Pennell. She’s taken to wearing a yellow ribbon in her hair, a sign that she has a beau in the Cavalry, but refuses to say for whom she is wearing it.

John Breen (John Wayne), a Kentucky militiaman falls in love with French exile Fleurette De Marchand (Vera Ralston). He discovers a plot to steal the land that Fleurette’s exiles plan to settle on and aims to foil it.

The relationship between Sergeant Stryker and a group of rebellious recruits is made difficult by the Sergeant’s tough training tactics. At Tarawa, the leathernecks have a chance to see Stryker in action, and begin to appreciate him.

Dunson is driving his cattle to Red River when his adopted son, Matthew, turns against him.

An Army colonel leads a guerrilla campaign against the Japanese in the Philippines.

Shortly after Pearl Harbor, a squadron of PT-boat crews in the Philippines must battle the Navy brass between skirmishes with the Japanese. The title says it all about the Navy’s attitude towards the PT-boats and their crews.

Construction workers in World War II in the Pacific are needed to build military sites, but the work is dangerous and they doubt the ability of the Navy to protect them. After a series of attacks by the Japanese, something new is tried, Construction Battalions (CBs=Seabees). The new CBs have to both build and be ready to fight.

Jim Gordon commands a unit of the famed Flying Tigers, the American Volunteer Group which fought the Japanese in China before America’s entry into World War II. Gordon must send his outnumbered band of fighter pilots out against overwhelming odds while juggling the disparate personalities and problems of his fellow flyers.

A simple stagecoach trip is complicated by the fact that Geronimo is on the warpath in the area. The passengers on the coach include a drunken doctor, two women, a bank manager who has taken off with his client’s money, and the famous Ringo Kid, among others.

Breck Coleman leads a wagon train of pioneers through Indian attack, storms, deserts, swollen rivers, down cliffs and so on while looking for the murder of a trapper and falling in love with Ruth Cameron.