Lockheed XP-58 Chain Lighting

The Lockheed XP-58 Chain Lighting was a two-man version of the P-38 that suffered from repeated changes of purpose, and that never entered production.

Lockheed XP-49

The Lockheed XP-49 was a design for a more powerful fighter to be based on the P-38 Lightning, but it never got beyond the prototype stage, and by the time the prototype was ready, it was outclassed by existing P-38s.

28cm kurze Bruno Kanone (Eisenbahn)

The 28cm kurze Bruno Kanone (Eisenbahn) was the first of four models of railway artillery loosely based on a First World War original, and carried a L/40 gun.

28cm Kanone 5 (Eisenbahn) (schlanke Bertha or slim Bertha)

The 28cm Kanone 5 (Eisenbahn) (schlanke Bertha or slim Bertha), was one of the most effective railway guns ever produced, and was large enough to have a major impact on the fighting, without being so large that it became too cumbersome to be used effectively.

Clemson Class Destroyers

The Clemson Class Destroyers were the second class of standardized flushdecker deck destroyers produced for the US Navy during the First World War, but none of them were completed in time to see service. Instead they formed the backbone of the inter-war destroyer force, were used for a large number of specialised modifications, and performed valuable service during the Second World War.

408th Fighter Group (USAAF)

The 408th Fighter Group (USAAF) was a home based training unit that was active from October 1943 to April 1944.

407th Fighter Group (USAAF)

The 407th Fighter Group (USAAF) was a home based training unit that also saw limited active service in Alaska.

84th Fighter Group (USAAF)

The 84th Fighter Group (USAAF) served as a training unit from 1942-1944.

Operation Giant IV, 14-15 September 1943

Operation Giant IV, 14-15 September 1943 was the second of two successful attempts to reinforce the Salerno beachhead from the air.

Operation Giant I (Revised), 13-14 September 1943

Operation Giant I (Revised), 13-14 September 1943, was the first of two successful attempts to reinforce the Salerno beachhead from the air.