I think this category can be reduced to sub 15 with the right seed, but I didn't feel like hunting for one. Everything went about as well as it could have on this run, minus a few hiccups, though I'm not sure if it would have been sub 20, it would have been pretty close had things gone perfectly.

Loadout - Primary:R-63CS Diligence Counter Sniper | Secondary: P-4 Senator | Grenade: G-123 Thermite

Stratagems - Eagle 500kg Bomb | Orbital Laser | MLS-4X Commando | LIFT-850 Jump Pack

Armor - SC-30 Trailblazer Scout | TR-117 Alpha Commander | Mark of the Crimson Fang

Boosters - Muscle Enhancement

Modifiers - Poor Intel | Orbital Fluctuations

Planet - Vog-Sojoth