I was looking at https://forum.kerbalspaceprogram.com/index.php?/topic/166383-tks-better-pictures/&do=findComment&comment=3191835
Specifically, it mentioned:
" 2x1 "engines of correction and approaching", "DKS" — at "zenith" (i.e. "top") and "nadir" (i.e."bottom") sides of the ship, thrust 447 kgf (not kN!) each. "Main" engines."
and also
"Rear" and "front" sides of TKS are confusing. The VA capsule is indeed the rear side of the ship, it starts with its rear side up."Front" part (from orbital pov) is what you can see on this photo, biconical 4m-wide compartment).Wide (4m) side - front, narrow (3 m) side - rear. VA - at the rear.
Which can be seen in here: