the first time I saw this movie I was twelve years old, sleeping over at a friend’s house, and hopped up on Cheetos
we literally had to rewind this scene we were laughing so hard, I’ll never find anything that funny again
And the trooper before him is Rob Paulsen according to IMDB.
He is also credited as the voice of one of the Dinks so I'm assuming he did ADR for the trooper.