When a cargo aircraft veered off a Miami runway, it set in motion a chain of consequences that reaches far beyond the tarmac — touching the ambitions of a retail giant, the livelihood of a regional carrier, and the quiet question of what it costs to control your own sky. Amazon has suspended its partnership with North Carolina-based 21 Air while investigators work to understand what went wrong, a pause that may prove temporary or permanent depending on what the inquiry reveals. The incident is a reminder that the drive for logistical independence carries with it the full weight of operational