On Feb. 19, 1949 — the day of his final, tragic flight — Major Donald C. Jones was skimming over the snow-covered plains of North Dakota in an F-51. It was the iconic single-engine fighter plane that’s come to symbolize the early years of American air power, and it cut an impressive silhouette. Temperatures statewide hovered close to zero or well below, and the icy wind flowing over the w...