The "computer may have puked on [his] slides," but that didn't stop a retired Air Force commander from reminiscing about a recently-declassified Cold War project. Called "Constant Peg," its mission was to train pilots in how to fly, and how to defeat, actual Soviet aircraft. Best quote: On the MiG-21: "It had no gas – a point-defense fighter. We didn’t know what 90 percent of the switches did. We changed the ASI and parts of the oxygen system. We had one switch that we just labeled BOMB EXPLODE."