I like Killeen, my dear SIL was stationed there, the biggest Army base in America I think. When visiting they took me all over, it is a nice town but surprising in that it seemed every house was made from brick.
Try to have someone take you to see that famous statue on base. It's a little Iraqi girl patting the shoulder of a grieving soldier. Very moving display. SIL took me there since I'd seen it online.
Daughter teaches there, she likes it.