Thew group take their stolen helicopters and fly home. Back at base, Anya has a few tasks for BJ. See surmises that the Nazi building materials have a special origin, and that whomever created them, tainted them so that they mold and decay. She also needs to cross-reference concentration camp prisoners to pinpoint the possible architect of this sabotage.
Fergus is suffering from survivors guilt, he pushes BJ away with the key to the records room. An attempt at collecting a tablesaw leads BJ on a trip through the sewers, but he eventually finds his way back, and secures a mold cement sample for Anya. http://ift.tt/Smu0qe