These marines clearly embody the Chapter's primary skills, a perfect balance between stealth and aggression. To join their number, one must prove their worth in the Trifold Path of Shadow and able to both sense their foe's movements and most inhibiting conditions. They are experts in wearing shadows as their skin and moving in complete silence. The 2nd Company makes extensive use of [[Infiltrator]]s and [[Reiver]] Squads to compromise enemy positions ahead of heavier onslaught, disrupting communications and sabotaging key targets. The Captain Solari has suggested to field the 2nd is unique in that it operates a as an entire company of [[Vanguard Space Marine]] formation alongside the standard [[Vanguard Space Marine|Vanguard]] squads of the 10th. This has not been accepted doctorinally{{Fn|1}}.