The jagged ridges of Southern California's Tehachapi Mountains form the backdrop to NASA's brightly-colored NF-15B testbed aircraft during a research mission.

The jagged ridges of Southern California's Tehachapi Mountains form the backdrop to NASA's brightly-colored NF-15B testbed aircraft during a research mission.

The jagged ridges of Southern California's Tehachapi Mountains form the backdrop to NASA's brightly-colored NF-15B testbed aircraft during a research mission.

Photographer NASA/Lori Losey
F-15NF-15B 837SBRDCSpace-Based Range Demonstration and CertificationECANSExploration Communications and Navigation SystemsBenefield Anechoic FacilityKu-band phased array antennasRange Safety and Range User SystemsRange Safety System