”  Other microprinting on the plane consists of “X-1” on the horizontal stabilizer on the plane as well as a horizontal row of a few “USPS” letters symbolizing the plane’s pitot tube. Amongst the flights https://jonaseczd280529.atualblog.com/35978263/not-known-facts-about-the-first-supersonic-plane-in-the-us-by-chuck-yeager