WASHINGTON — President Trump and Defense Secretary Pete Hegseth announced Friday that the US will begin producing the world’s first sixth-generation fighter jet — whose name includes an homage to the commander in chief. The new F-47 will succeed the F-35, long heralded for its superior stealth capabilities. In its Navy variant, the F-35 was the first US fighter jet to be able to land vertically like a helicopter, allowing it to touch down on ships with limited runway room. Trump joked that he liked the name of the new jet, which shares the same number as Trump’s second administration….