Head, Arms and Core: SALAUX
FCS: INBLUE (max Lock On speed)
Boosters: POLARIS, SCHEAT, SCHEDAR, SO1-V3
Weapons: Hands: Moonlight Laser Sword, Back: OGOTO Grenade Launchers, Shoulder EUPHORIA PA Moulder (improves defense).
Capacity: Enough on Load to bring your mech out of Weight Alert (should be 24), EN Output MAX, EN Capacity MAX, Lock Speed MAX. Then the rest can go on Horiz. Thrust or KP Output. Or anything you feel you want.
Head left first and get the 2 next to each other, destroy the small enemy with OGOTO fire and when it's clear use your Blade to destroy the big ship/mech.
Head to the 3rd and final one, after it's gone a NEXT will come up the tunnel you came from, you need to rush it. Don't get into a long range fight, get up close and either slash it with the Blade or use your OGOTO at close range.
This is one of the easier HARD missions.