Hide Caption 1 of 8 Photos: The flight suits worn by U2 fliers resemble astronauts' space suits. Hide Caption 2 of 8 Photos: The "Dragonlady" is a Cold War-era plane that has been flying since the 1950s. Hide Caption 3 of 8 Photos: The compression suits are cooled to keep the pilots from suffering heat exhaustion. Hide Caption 5 of 8 Photos: The pilots fly missions of about 10 hours. Hide Caption 7 of 8 Photos: The U2 is just one tool in used in airborne surveillance aimed at destroying ISIS.

Source: CNN November 25, 2016 05:15 UTC