Go to the army base
From Create Your Own Story
"Dear journal, I've came up on the army base. There's a chain-link fence around the perimeter, but I'm pretty sure I can climb over it. There's an runway and a hanger with a few planes it in. There's what looks like some sort of bunker or bomb shelter in the side of the mountain. There's not a soul in sight. It's fucking creepy here."
After your journal entry, you...