Half-Life: Alyx Walkthrough - Chapter 4: Superweapon (Part 4 of 11) - IGN

The crew finds out that the Combine are hiding something in the giant vault floating in the sky.
The crew finds out that the Combine are hiding something in the giant vault floating in the sky.

Walkthrough part 4 - Half-Life 2: Episode 1 Guide - IGN

Easy Allies

Walkthrough part 4 - Half-Life 2: Episode 1 Guide - IGN

Half-Life: Alyx Walkthrough - Chapter 4: Superweapon (Part 4 of 11) - IGN

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Half-Life: Alyx Walkthrough - Video Games Blogger

Chapter 4: Superweapon - Half-Life: Alyx Guide - IGN

Chapter 4: Superweapon - Half-Life: Alyx Guide - IGN

Half-Life: Alyx Walkthrough - Chapter 4: Superweapon (Part 4 of 11)

Walkthrough part 4 - Half-Life 2: Episode 1 Guide - IGN