Roughnecks are going to make the bugs from Klendathu pay after they've destroyed Buenos Aires in film
But even if the bugs had launched the meteor, they would have missed the 
Earth ... have to be travelling to get from Klendathu to Earth in the amount of ... *
EDIT: But given that the meteor just destroyed Buenos Aires rather... [DOC] [TLE] Starship Troopers (Special Edition) - English Subtitles for DivX Movies [PAR] Klendathu, source of the Bug attacks.