NASA’s RQ-4s routinely operate at up to 62,300ft (19,989 m) on HALE missions.

A NASA RQ-4A landing at Edwards AFB, California, after completing a mission over the Atlantic Ocean as part of HS3.

NASA’s two Global Hawks on the ground at Edwards AFB.

One of the two NASA RQ-4s operating at altitude.

NASA Goddard support scientist Patrick Selmer installs cables during the installation of the Cloud Physics Lidar into a NASA Global Hawk for the HS3 mission.

The Scanning High-Resolution Interferometer Sounder system, used for the HS3 mission, mounted on the bottom of a NASA RQ-4A.

A tropical storm as seen during a HS3 Mission.