Northrop Grumman E-8 Joint STARS
The Northrop Grumman E-8 Joint Surveillance Target Attack Radar System (Joint STARS) is a retired United States Air Force (USAF) airborne ground surveillance, battle management and command and control aircraft. It tracked ground vehicles and some aircraft, collected imagery, and relayed tactical pictures to ground and air theater commanders.
Source: Wikipedia — Northrop Grumman E-8 Joint STARS (CC BY-SA 4.0)