The pilot was laughing so hard he almost lost control of the aircraft.
The pilot laughed and gave him the thumbs-up.
The pilot glanced over his shoulder and laughed.
The pilot laughed, and then he sealed Trixie inside.
The pilot laughed, caught him and held him while he closed a protective cover over the instruments.
"Somehow you people don't act the way we always thought an interstellar civilization would-" The pilot laughed.
The pilot and his observer were laughing at him.
The pilot would have laughed, except it wasn't really funny.
The pilot laughed, and turned back to set up his approach.
The pilot blew a cloud of smoke and laughed, a little awkwardly.