MARLYN SPARK on Instagram: "When I step into the cockpit of a fighter jet, nothing feels like ordinary life anymore. The pressure inside the cabin, the roar of the engine, the vibrations running through the airframe—all of it reminds me that up here, there is no room for mistakes. Every second I push the throttle forward or move the rudder could mean the difference between survival and disaster. The stress of flying a fighter doesn’t just come from speed or altitude; it comes from the weight of