DarkPearl
From somewhere unseen, likely simply obscured by the awkward landing position of the dropship (as in, the bay isn't designed for it so it takes up odd dimensions),or speaking remotely through a microphone comes some speech in an unintelligible language, before whatever is speaking stops itself realising you won't understand. On one of the bay screens visible from the door that was displaying something else in the alien language appears an arrow, pointing to the door to exit the bay, which opens in sync with teh screen changing