31-01-2023 Clearly visible in Utrecht-Noord: ZZ175 C-17A RAF RRR6886 (over EHHV at FL330 to the E, around 17h52) Also the silhouettes and (flickering) lights of: ZZ335 Voyager KC.2 RAF RRR2887 (over Leerdam at FL400 to the W, around 19h00) 60-0324 KC-135R USAFE QUID24 (over Nieuwegein af FL260 to t...