The A-10 has a better track record in battle—in terms of saving US warfighters in tough ground combat conditions—since 1991 than any of America’s advanced warplanes have shown.

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Of the many Spanish-made firearms to emerge throughout the 19th and 20th century, one of the most recognizable is the Star ...

The Tesla Cybertruck,love it or hate it, you can’t ignore it. Since its debut, this electric pickup has sparked viral buzz, ...

Low current density sheet beam electron gun is very useful for compact planar travelling wave tube (TWT). In this paper, a planner low current density elliptical sheet beam electron gun is presented, ...

The sheet beam electron gun is one of the most important parts of a sheet beam traveling wave tube (SB-TWT). In this paper, a 220 GHz sheet beam electron gun is designed and optimized by using CST.