Built around a powerful nose-mounted cannon and an unconventional mid-engine layout, the Bell P-39 Airacobra promised a new kind of fighter but stumbled at altitude. Follow its troubled development, ...

Bell P-39 Airacobra(Courtesy Wayne R. Lusardi, State of Michigan Maritime Archaeologist) Instrument panel (left) and port running light (right)(Courtesy Wayne R. Lusardi, State of Michigan Maritime ...

On 25 August 1944, Airacobra of 821 IAP did not return from a combat mission in the Auce area, 90 km SW of Riga. Lt Ivan Petrovich Kravtsov was missing in action (MIA).

Abstract: In E-band millimeter-wave (mmWave) frequency, conventional phased array antennas face challenges, including increased cost, reduced performance, and complex fabrication. In this ...

The Bell P-39 was conceived as a heavily armed interceptor but lost its intended role after critical design changes reduced its high-altitude capability. U.S. and British forces found it unsuitable ...

If you are an investor, you have undoubtedly encountered the Price to Earnings (P/E) Ratio. It’s the most fundamental and widely used metric for stock valuation. However, relying solely on historical ...