Guns are United

In Libya, an American tank commander, along with a handful of Allied soldiers, tries to defend an isolated well with a limited supply of water from a German Afrika Korps battalion during the Western Desert Campaign of World War II.

In North Africa, German Field Marshal Rommel and his troops have successfully fended off British forces, and now intend to take Tobruk, an important port city. A ramshackle group of Australian reinforcements sent to combat the Germans is put under the command of British Captain MacRoberts. The unruly Aussies immediately clash with MacRoberts, a gruff, strict disciplinarian, however this unorthodox team must band together to protect Tobruk from the German forces.

Captain Foster plans on raiding German-occupied Tobruk with hand- picked commandos, but a mixup leaves him with a medical unit led by a Quaker conscientious objector.

After the fall of Tobruk in June 1942, U.S. Army sergeant Joe Gunn leads his tank into the Sahara desert, in order to evade advancing Rommel's forces and reach Allied lines. Along the way he picks up few Allied soldiers, but soon they are running out of water. They find water at the ancient well, but the well is a goal of an entire German battalion. Despite the impossible odds, Sergeant Gunn decides to defend the well.

An American Army officer is recruited by the yet to exist Israel to help them form an army. He is disturbed by this sudden appeal to his Jewish heritage. Each of Israel's Arab neighbors has vowed to invade the poorly prepared country as soon as partition is granted. He is made commander of the Israeli forces just before the war begins.

During the war in Afghanistan a Soviet tank crew commanded by a tyrannical officer find themselves lost and in a struggle against a band of Mujahadeen guerrillas in the mountains.

A platoon of Navy SEALs embarks on a dangerous mission in Ramadi, Iraq, with the chaos and brotherhood of war retold through their memories of the event.

The crew of the merchant ship Glencairn hope to survive a transatlantic crossing during World War II. Adapted from four Eugene O'Neill one-act plays.

In September 1942, the German Afrika Korps under Rommel have successfully pushed the Allies back into Egypt. A counter-attack is planned, for which the fuel dumps at Tobruk are a critical impediment. In order to aid the attack, a group of British commandos and German Jews make their way undercover through 800 miles of desert, to destroy the fuel dumps starving the Germans of fuel.

In the 1943 invasion of Italy, one American platoon lands, digs in, then makes its way inland to attempt to take a fortified farmhouse, as tension and casualties mount.