Supermarine Spitfire HF VII: This Supermarine Spitfire HF VII was one of high-altitude versions of the famous fighter, its normal elliptical wingtips replaced by extended &quot;pointed&quot; tips for its high-altitude role. This is one of the Langley aircraft that has survived. It is in the Smithsonian Institution's National Air and Space Museum's collection.

Supermarine Spitfire HF VII

Hawker Hurricane IIA: This Hawker Hurricane IIA was flown at Langley Research Center in the USA. The NACA (now NASA) ran a series of stability and control flight tests on this aircraft, which carried the RAF serial Z2963. The Hurricane is perhaps best known as the prime British fighter in the &quot;Battle of Britain.&quot;

Hawker Hurricane IIA

The ground staff pushing a giant Stirling, largest four-engined bomber in the world, out for overhaul. Great Britain?