Mission 02: Infiltrate the Enemy Base in Metal Gear Solid: Peace Walker thrusts players deeper into the conflict in Colombia. Following the initial intelligence gathered, Big Boss is tasked with infiltrating a more heavily fortified enemy installation to uncover the true nature of the threat and the identity of its leader. This mission emphasizes more complex stealth tactics and introduces players to a wider variety of enemy types and patrol patterns, requiring a more strategic approach to infiltration.

utilize the full range of Big Boss's abilities, including CQC for silent takedowns, the use of various weapons and gadgets, and the strategic deployment of the Fulton Recovery System to capture valuable enemy personnel and equipment. The environment of the enemy base is designed with multiple entry points and pathways, allowing for different approaches to infiltration. Success in this mission is crucial for understanding the escalating threat and for gathering the resources and personnel needed to counter it.