Chapter 5: Expect Delays
S.C.A.F ARTIFACT 1
When you reach the second floor in the elevator, go to the bridge, and find this directly across from the audio log, on the pilots chair.
S.C.A.F ARTIFACT 2
After you enter the Cargo Filtration Command room, you will get be shown a video about tossing limbs at the Necromorphs. Climb the ladder to the left and this will at the top in the right corner.
S.C.A.F ARTIFACT 3
(Optional Mission: Conning Tower) When you enter Engine Room Access with the explosives on the vents, go to the lower level where the chairs and computer consoles are and this artifact will be in the right hand corner.
Chapter 6: Repair to Ride
This artifact can be a little tricky to spot. After you have blown up the barrels that get stuck in the gears, you will get tossed outside. You will then need to cross the open space to reach the docking bay on the far side. About three quarters of the way across there will be a large piece of debris. Boost down and behind it and you will find it floating there.
Chapter 7: Mayhem
Chapter 8: Off the Grid
When you first encounter the necromorphs that pop out of the snow, climb up the ladder on the left side and continue left at the top. When you reach the end of the catwalk, the artifact will be there.
Chapter 9: Onward
S.C.A.F ARTIFACT 1
After you exit the door from the second swarm of ghoulish enemies, you will enter a corridor with banging and yelling. Go to the left and at the end of the corridor will be the artifact.
S.C.A.F. ARTIFACT 2
After you fight the big beasty the first time, you will go up a ramp and enter the building. Once you go through the second door, there will be a ladder on the right side. Climb up and you can find this to the left side of the room at the very end.
S.C.A.F. ARTIFACT 3
(Optional Mission: Supply Depot) You will come to an outside area near the end of the mission with a lift in the center of the room that is broken. Go to the far right corner from where you first entered the room and you will find the artifact along the wall there.