A hyperactive sunspot recently unleashed its third X-class flare in under 24 hours. The X6 flare is the most powerful since 2017 and could be followed by equally massive explosions. A massive, ...
Pilots must obtain one of four FAA medical certificates (1st, 2nd, 3rd Class, or BasicMed) to ensure their health and safety for flying. The required certificate depends on the pilot's role: 1st Class ...
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