I am in the last hangar with the Millenium Falcon. I have done the following:

1. Released R2 and CP30
2. Had R2 open two control panels
3. Dropped a grappling platform and gone to a second level and pulled a lever
4. Driven the hover craft over the green lights
5. Killed all of the storm troopers and opened the storm trooper panel but all that happened is some giant trophy cup popped out but didn't do anything other than spit out some points? Is this supposed to be useful because it doesn't move?
6. shot out a pipe which lifted a steam draft
7. randomly shot what appeared to be a pully on the second level (by wheret Ben and Darth Vader are having their battle) it dropped to the second level but nothing else happened
8. I have randomly attempted to shoot things on the second level but can't get the virtual people to shoot high enough to reach the second level to hit anything else if this is what I need to do
9. There is a platform above the millenium falcon with bounty hunter circle I think (the green one) and what appear to be another control panels for the droids
10. How do I get them up to the other level if this is what I need to do?
The only other thing that I have been trying is to get all of them to stand on the green squares-the hover craft already opened them up--three of the four lights above the falcon are now green--but as soon as I get four of them on one the last character moves off

What is the last thing I need to do to finish this level?