P-51 Dragon Fighter

The Nazis discovered a dragon egg during an archaeological expedition before WWII and hatched it as part of a secret breeding program. They planned to use the dragons as a force multiplier to regain air superiority in the North African campaign, supporting Rommel's Afrika Korps. The dragons could strike Allied supply lines with terrifying speed and ferocity, giving Germany an unprecedented tactical advantage.

The Vril are an Aryan coven of witches who are psychically bound to the dragons. They can command the dragons at will, serving as the link between the Nazi handlers and their dragon brood. Their psychic connection gives the Nazis strategic control over the dragons in aerial combat.

The Vril are introduced early as part of the Nazi dragon-breeding operation, establishing the supernatural control element.

Rommel harbors serious doubts about Gudrun's methods and the Vril's control over the dragons. He explains that occasionally a parthenogenic female dragon will lay a male hatchling of immense power whose appearance signals the possible end of civilizations. Fearing what would happen if such a creature, Asuzaka, were fully unleashed, Rommel provides crucial intelligence to the Allies about the incubator's location and the vent that could be used to destroy it.

Rommel's warning about the male dragon foreshadows the climactic release of Asuzaka.

Asuzaka is a colossal male dragon, the rare offspring of a parthenogenic female dragon. According to Rommel, such males possess immense destructive power and could signal the end of civilizations. Gudrun releases Asuzaka during the final battle in an attempt to crush the Allied assault, but the creature is incinerated in the explosion when the B-17 destroys the incubator.

Rommel explicitly warns Robbins about the male dragon egg hidden in the mountain before the mission begins.

Dagmar is a Vrill-witch who has infiltrated the British ranks as an inside agent. During the Allied assault on the incubator facility, she opens the air vent that allows the B-17 Fortress to access the mountain stronghold. Her role is critical to the success of the mission, though her true allegiance and motivations remain tied to her Vrill heritage.

The dragons reproduce parthenogenically, asexually, allowing females to lay multiple eggs without a male partner. This enables a single dragon to spawn many daughters rapidly, swelling the Nazi brood quickly. The summary notes that rare male hatchlings can occasionally appear from a female dragon, and these males possess extraordinary power.

The parthenogenic reproduction is mentioned early as the reason the Nazi dragon threat grows so quickly.

Dr. Heinrich Gudrun, the Nazi cryptozoologist in charge of the dragon-breeding program, releases Asuzaka, the gigantic male dragon, during the final battle in an attempt to destroy the Allied forces. However, Gudrun is incinerated by Asuzaka himself in the cataclysm of fire and steel when the B-17 destroys the incubator facility.

During the final assault, the Ghost Squadron pilots perform sacrificial maneuvers, ramming their P-51 Mustangs into dragons, to halt the creatures' advance and buy critical seconds for the B-17 Fortress to reach the mountain stronghold. Lt. Arthur Marks is the only pilot who remains unscathed as his fellow pilots give their lives to ensure the mission succeeds.

The Allied plan combines an air assault with a covert SAS ground mission. Dagmar opens the facility's air vent from inside, allowing the B-17 Flying Fortress to fly directly into the mountain stronghold. The bomber delivers a direct strike that destroys the incubator, killing Asuzaka and the remaining dragon eggs in a massive explosion.

Rommel reveals the vent and the inside man as the key to reaching the incubator beneath the mountain.

Robbins is initially believed killed during the mission, but an SAS ground party locates him and returns him to the headquarters hospital. He is tended to by nurse Rachel McKee and recovers. With the incubator destroyed and the dragon threat neutralized, Robbins survives to see the Allied victory.