The U2 can climb to well over 70,000 feet, making it an important asset in the effort to find and destroy senior ISIS fighters. Fred Pleitgen/CNN The flight suits worn by U2 fliers resemble astronauts' space suits. Fred Pleitgen/CNN The "Dragonlady" is a Cold War-era plane that has been flying since the 1950s. Fred Pleitgen/CNN The compression suits are cooled to keep the pilots from suffering heat exhaustion. Fred Pleitgen/CNN U2s are difficult to land, with landing gear aligned like the wheel of a bicycle. Fred Pleitgen/CNN The pilots fly missions of about 10 hours. Fred Pleitgen/CNN The flight suits protect their wearer at high altitude. Fred Pleitgen/CNN The U2 is just one tool in used in airborne surveillance aimed at destroying ISIS. Fred Pleitgen/CNN Prev Next