Modern Warfare 4 DMZ introduces upgraded Forward Operating Base (FOB) stations across its sandbox extraction mode in 2026, granting deployed squads persistent passive upgrades including insured weapon slots, plate carrier barters, extended contraband stashes, and substantial exfil cash retention limits. According to verified reports from Sportskeeda Esports & BGMI as the primary reporting bureau, the FOB infrastructure serves as the central progression nexus for operators dropping into contested exclusion zones. The revised menu separates tasks into four definitive wings: Communications, Weapons Locker, Bounty Board, and Stash. Each wing requires specific exfiltrated tactical salvage—such as classified hard drives, encrypted USBs, and gold skulls—to unlock consecutive upgrade tiers. Unlike standard seasonal prestige resets, key passive FOB station unlocks persist throughout future cycle updates, sparing high-tier squads from repetitive early-game salvage grind. Operators seeking efficient gear cycles also cross-reference progression mechanics seen in our [PUBG Mobile UC Spending Guide: Is In-Game Store Worth It? [2026]](/news/pubg-mobile-uc-spending-guide-2026) to maximize value across extraction ecosystems. With extraction intensity escalating around contested radio towers and fortress compounds, mastering early station requisites ensures operators maintain a decisive loadout advantage over hostile squads.