1

There’s an abandoned smuggler camp somewhere in the crevasse field southwest of the base–the scouts reported finding it just before the Imperials arrived in-system. (How to find it? Maybe the scouts flagged it with a beacon or left their survey records in the base.)

2

The Imperials are offering full pardons to any Rebels who turn themselves in voluntarily.

3

The Imperials have kill teams of bounty hunters with trained nexu and rancor monsters out hunting for surviving Rebels.

4

Princess Leia has a fortune in Alderaanian jewels stashed in a secret room in Echo Base.

5

The crews that service the defensive guns usually leave one or two speeder trucks parked in a snow cave near the forward line.

6

Scouts found empty lava tubes on the slopes of the volcano and on the basalt flows could serve as emergency shelters and ways to travel off the surface. (Native animals probably use the lava tubes, too, including tauntauns and wampas, but let the players figure that out on their own.)