No its not the Maelstrom from Prydwen, there playing on Percival. The 3'd movie is realy nicly edited and good quality, 2'nd movie they kill alot of zerges not as good quality tho but was still quite fun to see. Not seen first one yet, might be worth a download if you want something to look at
http://www.rpgfilms.net/nuke/modules.php?name=Downloads&d_op=search&query=Maelstrom
http://www.rpgfilms.net/nuke/modules.php?name=Downloads&d_op=search&query=Maelstrom