Astartes - a fan made animation
An utterly amazing set of youtube videos created by a fan of Adeptus Astartes (Space Marines).
It covers the story of a tactical squad of Space marines making a assault on a Traitor Space vessel and using its combat skills, experience and stupendous cool equipment to overcome (kill) all opposition as they damn heretical traitors.
There are currently a teaser and 4 videos:
Teaser: https://www.youtube.com/watch?v=pcTZrrtdAUM Part 1: https://www.youtube.com/watch?v=g-MteECxZUY Part 2: https://www.youtube.com/watch?v=mfGPMJ8A0QY Part 3: https://www.youtube.com/watch?v=CMGRa4_UjE4 Part 4: https://www.youtube.com/watch?v=V2B6de1Geks&t=0s