The hero is the guy on the lower right, in the space suit with the shiny gold visor. His jetpack is a black Classic Space thruster cluster. It's kind of sad that they don't make the big astronaut visors anymore.
This is the PCS S.P.O.T., which diligent archaeologists will find in the Bricks forum. It's his personal transport vehicle, the white-armored troopers are his personal squad, and the guy with the grey helmet is his pilot.
Just one random act of violence can brighten your day. Especially if it involves explosives.