Talk:Optics Facility/@comment-49.146.242.1-20140313103650/@comment-24453214-20140313153121

Here's a complete list of prerequisite missions. Level 41-50 missions is not among them.
 * 'Splosions, Man!
 * A Terrible Boar - Part 1
 * A Terrible Boar - Part 2
 * A Terrible Boar - Part 3
 * A Terrible Boar - Part 4
 * A Terrible Boar - Part 5
 * A Terrible Boar - Part 6
 * A Terrible Boar - Part 7
 * A Terrible Boar - Part 8
 * A Terrible Boar - Part 9
 * An Efficiency Problem
 * Barrack O'Rama
 * Boar-B-Cue
 * Build a Bakery
 * Build a Resource Depot
 * Buildings Team
 * Bust out the Big Gunners
 * Driving the Raiders Back
 * Fighting the First Hornet
 * Fill Her Up!
 * Frontier Justice
 * Green Acres
 * Hunkering Down
 * Live Fire Training
 * MEDIC!
 * Meet Raider Kids - Part 1
 * Meet Raider Kids - Part 2
 * Meet Raider Kids - Part 3
 * Perkins Returns
 * Raider v Raider
 * Raiderlands
 * Rescue to the Recon
 * Round 3! Fight!
 * Scavengers
 * Self Defense
 * Stirring up the Hornet's Nest
 * The Agricultural Industrial Complex
 * The Empire Strikes Back
 * Time to Get Wood
 * To the Rescue!
 * Toolin' Around
 * Tools For Zoey
 * Training Day
 * Vegetable Oil - Part 1
 * Warehouse? There, house.
 * We Can Do It!
 * A Concrete Plan
 * Attack Raider Defenses!
 * Attack Raider Supplies - Farm
 * Attacking a Garrison
 * Cottage Industry Artillery
 * Death From Afar - Part 1
 * Death From Afar - Part 2
 * Frontier Moonshine - Part 1
 * Frontier Moonshine - Part 2
 * Frontier Moonshine - Part 3
 * Home-cooked Recon
 * Metal Tower Intellectual
 * Take Off the Training Wheels
 * The Antepenultimate Push
 * The Imperial Rangers
 * There Will Be Oil
 * Vegetable Oil - Part 2
 * A Change in Plans
 * A Plan Comes Together
 * A Public Demonstration
 * An Army of One
 * Armor for All Seasons
 * Call of the Wild
 * Defensive Counter-Offensive
 * Floyd: Coal is Filthy
 * Gantas' Orchards
 * Insurmountable Odds
 * Kill it in the Cradle
 * Knock Knock. Who's There? MURDER!
 * Man of Steel
 * Planting the Bomb
 * Raiders at the Back Door
 * Rescue Recoil Ridge Redux
 * Run of the Mill
 * Some Light Looting
 * Some Men Left Behind
 * Strange Bedfellows - Part 1
 * Strange Bedfellows - Part 2
 * Sugar in the Gas Tank
 * Supply Side Economics
 * Surmountable Odds
 * Tank You Very Much
 * Tanks at the Front Door
 * The Moral Minority - Part 1
 * The Moral Minority - Part 2
 * The Sweatshop Boys
 * The War at Home
 * Things go Boom
 * Watchdogs
 * 150 Proof Disinfectant
 * A Job Well Done
 * An Empire in Need
 * An Empire in Need II
 * An Empire in Need III
 * An Empire in Need IV
 * Assault
 * Bandage Aids
 * Battle of the Bonfire
 * Boots on the Ground
 * Box Lunches
 * Call the Cavalry
 * Can't Shoot the Shooter
 * Homecoming
 * Invasion!
 * Keeping the Wheels On
 * Last Gleaming
 * Last Line of Defense
 * Life During Wartime
 * Limping Home
 * Moonlight Waltz
 * Not in My Back Yard
 * On the Run
 * On the Run II
 * On the Run III
 * Recalled to Recoil
 * Regroup and Retrain II
 * Regroup and Retrain
 * Riot Police
 * Sergeant Ramsey's First Stand
 * Sneak Attack
 * Steel Yourself Against the Onslaught
 * The Great Escapade
 * The Liberation of Sergeant Ramsey
 * The Machinist
 * The Root of the Problem
 * To the Aid of Our Brothers
 * To the Aid of Our Brothers II
 * To the Aid of Our Brothers III
 * To the Aid of Our Brothers IV
 * To the Aid of Our Brothers V
 * Tools of War
 * Tronk Tussle
 * Two Thousand And Seven for the Road
 * Warlord Gantas
 * Wellness Check
 * Ambushes
 * An Invitation... to DANGER
 * Bad Attention
 * Big Rebels in My Backyard
 * Burying Children
 * Chaos Rules
 * Clean Up Your Mess
 * Discovery Channel
 * First Contact
 * Focus Testing
 * Go to Trotbeck
 * Greeted as Liberators
 * Gun Envy
 * Gunning It
 * Hostage Situation
 * Howdy, Neighbor
 * Hunting Wolves
 * I Never Liked You Anyway
 * In Vino Veritas
 * Lasers Like it Hot
 * No Time to Mourn
 * On Tracks
 * Patriot Games
 * Picking Through Rubble
 * Putting a Stop to Things
 * Recoil Rampage
 * Reparations
 * Sarcasm is Fun!
 * Silver Wolf Run
 * Talkin' Science
 * Talkin' Turkey
 * The Gordian, Not
 * The War Comes Home
 * Tracking the Wolves
 * Training Day
 * Trotbeck Trample
 * When the Cat's Away...
 * You Made it Angry
 * You're Livin' in the Past
 * Hero of the Day