This is found by going onto the mission "lost to light", and just before the third door you open with the relics. Instead of opening the door, go towards where the grave lift is in the taniks strike. From there, you will need to kill all the Taken in under 10 minutes. This video just shows the awards, ship and some gameplay.
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Need 1 for black spindle message R1CH TH3 R1PP3R for inv