I've got lots of filk (it's o.k. it's not catching!) but for a short one, My own words, standard Star Trek (original series) theme, and a well known tune (from Carmen)

ENSIGN: EXPENDABLE

Red shirts who are awaiting Kirk's command, Time to beam down, Now you must land, And, when your alien foe are close at hand, Spill your guts on the sand. And once you all have met, your final fate, Kirk will ne-go-ti-ate !!