Just read this amazing story in an e-mail. Improvise. Adapt. Overcome.
From 1960 to 1964 Colonel Carpenter was my first primary flight instructor at Grimes and Willard airports in Illinois, mostly in Aeronca 7AC Champs, Stinson Sentinels and a Piper Pacer taildragger, but I also logged eight hours with him in a L4 Piper Cub [no rockets mounted on it, unfortunately] before I joined the Army in '66, the year he passed away.
Improvise. Adapt. Overcome
In the absence of orders, go find something and kill it. He said it was the smartest thing a general ever said.