Utterly Mad

"In the wreckage of a crashed Atlas. A SAM shot it down and I was sent to investigate. Can you tell me about what it was transporting?" Duncan says as he helps the woman up and over to his tank.

Wolf:
The woman gets up with your help, and rubs her head. You then walk over to the walker, and continue the discussion.
"I... don't know. They didn't tell me..."
She picks up her helmet, and inspects it. She then turns her attention back to you
"Private Moore, heavy engineer. Who are you guys?"

Alex:
You look around. The Lumberyard is an active base, with many units in motion, both combat and non-combat.
There's the Lumberyard HQ, the armory, the hangars, the garage, the hospital, some various barracks, and the base's bar.

There's no sight of any of the other soldiers you arrived with. But considering that you're quite late, they've probably moved on with their assignments.
Speaking of assignments, you have none. In training they taught you that if you find yourself without a squad and a CO, you should either reassign at the nearest HQ, or if on the field, join the nearest squad.
With Uniware's lacking organization however, this situation means you could pretty much do whatever. So long as no superior figures out you're without command.

Wolf:
"That's confidential corporal."
A medic comes over to adress Moore's wound.
"But I have to admit that you've had quite the first day here on Vita. I've read the reports. 3 tanks, 1 self-propelled AA, and an assortment of infantry, all while going solo."
He empties the ash from his cigar.
"The major has pestered me to give him some able forces for some more discreet operations. Raids and whatnot. So I'll offer you and your crew a chance to become the major's "able forces". Either that, or it's back to the frontline. Interested?"

Smasher:
The desk-jockey stops you before you leave the HQ.
"We happen to need an engineer to assist the capture of one of our old observation posts up north..."

Hettie nods and turns to leave, but stops.   "So, stupid question, but where would I request a transport?"

(So if the tank seat's three, where will our new member sit?)

"It's probably fine. When we get back to base, the boys will teach you a bit more tech savvy skills in case we need to do some quick repairs or stuff like that."

And with that, he'll signal the VTOL to take his crew back to base.