My brother, my hero, is an Army major. He is shown on the left and is attached to an AF JSTARS unit. Currently, he is somewhere near Iraq and gets posted there approximately twice a year for 105 days at a time. This morning he sent me a few recent pictures.
JSTARS, with the aid of their ground looking radar, help direct air and ground troops to potential problem areas on the ground that include Improvised Explosive Devices, and troops in contact. They also assist with ground convoy radio support which assists with radio relay and some MEDEVAC rescues.
Here is my brother with his crew of 21 soldiers and airmen on board.