Looks interesting, but I'd be afraid that taking away the Blips mechanic may cause the game to play in a very un-Space Crusade like way
You might want to take a look at the
Derelict Rules on Necromundicon for some alternative ideas for playing Space Crusade and/or Space Hulk solo
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~The ravings of a single mad Goblin is bad enough, but such a power-hungry, malice-filled creature as Mortis can never hope to be understood~