A new trailer has been released for the ‘Fallout 3‘ final DLC pack “Mothership Zeta” which releases this Monday, August 3rd. Bethesda has also posted a new Dev Diary from Lead Artist Istvan Pely allowing you to get a little background info, concept art and screenshots of what you can expect when you enter the Capital Wasteland on Monday.

Mothership Zeta will be available on Xbox LIVE and Games For Windows LIVE for 800 MS Points.