Where is the Missile Expansion in Transport Tunnel B (Metroid Prime Origins)?

The Missile Expansion is in Transport Tunnel B, Tallon Overworld. To get there you need Missile Expansion first (starting a new game).

What you need first

Starting a new game from Landing Site, get these first, in this order, then go to Transport Tunnel B (5 rooms in all):

1. Missile Expansion in Landing Site (0 rooms; needed for Missile Expansion (Missile))

Last stretch

From Landing Site, door by door:

1. Landing Site: go through the door to Canyon Cavern → Canyon Cavern
2. Canyon Cavern: go through the door to Tallon Canyon → Tallon Canyon
3. Tallon Canyon: go through the door to Root Tunnel → Root Tunnel
4. Root Tunnel: go through the door to Root Cave → Root Cave (Missile Blast Shield; needs Missile)
5. Root Cave: go through the door to Transport Tunnel B → Transport Tunnel B

More Missile Expansions

• Missile Expansion (Burn Dome)
• Missile Expansion (Crossway)
• Missile Expansion (Dynamo)
• Missile Expansion (Dynamo)
• Missile Expansion (Furnace)
• Missile Expansion (Gathering Hall)
• Missile Expansion (Hive Totem)
• Missile Expansion (Main Plaza)
• Missile Expansion (Main Plaza)
• Missile Expansion (Main Plaza)
• Missile Expansion (Ruined Fountain)
• Missile Expansion (Ruined Gallery)
• Missile Expansion (Ruined Gallery)
• Missile Expansion (Ruined Nursery)
• Missile Expansion (Ruined Shrine)
• Missile Expansion (Ruined Shrine)
• Missile Expansion (Training Chamber Access)
• Missile Expansion (Vault)
• Missile Expansion (Watery Hall)
• Missile Expansion (Watery Hall Access)
• Missile Expansion (Fiery Shores)
• Missile Expansion (Storage Cavern)
• Missile Expansion (Triclops Pit)
• Missile Expansion (Elite Control Access)
• Missile Expansion (Elite Research)
• Missile Expansion (Fungal Hall Access)
• Missile Expansion (Fungal Hall B)
• Missile Expansion (Main Quarry)
• Missile Expansion (Metroid Quarantine A)
• Missile Expansion (Metroid Quarantine B)
• Missile Expansion (Phazon Processing Center)
• Missile Expansion (Security Access A)
• Missile Expansion (Frost Cave)
• Missile Expansion (Gravity Chamber)
• Missile Expansion (Ice Ruins East)
• Missile Expansion (Ice Ruins East)
• Missile Expansion (Phendrana Shorelines)
• Missile Expansion (Phendrana Shorelines)
• Missile Expansion (Quarantine Monitor)
• Missile Expansion (Research Lab Aether)