Purely History on Instagram: "Early military parachuting looked nothing like the airborne drops we picture today. In the first decades of flight, planes did not have dedicated jump doors, so the simplest solution was to have parachutists climb out and slide off the wing or step off a strut. It was awkward and risky, but it worked well enough for training and early tests. As aircraft designs improved through the 1930s, militaries introduced side doors, floor hatches and specialized equipment that