M18 Smoke Grenade

Lore & Background

The M18 Smoke Grenade has been a staple of the Ghost Recon arsenal since the team's earliest deployments. Developed as a lightweight, hand-thrown canister, it is designed to produce a dense cloud of smoke for up to 60 seconds, depending on wind conditions. The smoke is non-toxic but can cause temporary respiratory irritation, making it effective for both concealment and area denial. Ghosts are trained to use the M18 to cover movements, obscure enemy snipers, or create diversions during urban and rural operations. In the field, the M18 is often paired with thermal or night vision optics, allowing Ghosts to see through the smoke while enemies without such equipment are blinded. The grenade's color variants serve specific purposes: white for general concealment, red for marking extraction points, yellow for chemical or hazard areas, and green for signaling friendly forces. Over the years, the M18 has appeared in nearly every Ghost Recon title, from the original tactical shooter to the open-world settings of later games, maintaining its role as a versatile non-lethal tool. Despite advances in technology, the M18 remains a favorite among Ghosts for its simplicity and reliability. It is a low-cost, low-risk item that can turn the tide of a firefight without revealing the user's position. Its presence in the franchise underscores the series' focus on realistic, tactical gameplay where every piece of equipment has a specific purpose.

In Their Own Story

The rain-slicked streets of the city were silent, save for the distant hum of a generator. Ghost Lead signaled a halt, his hand slicing the air. The squad was pinned—a sniper's nest in the high-rise across the plaza. 'Smoke, green,' he whispered into the mic. Kozak pulled the pin, tossed the canister underhand. It clattered, hissed, and a thick emerald cloud bloomed, swallowing the intersection. 'Move,' came the order. The Ghosts flowed through the haze, their optics cutting the green veil like ghosts themselves. The sniper's shot went wide, lost in the fog. By the time the smoke cleared, the team was already inside the building, the hunter now the hunted.

Reader's Guide

The M18 Smoke Grenade is a non-lethal tactical item used primarily for visual cover. When thrown, it deploys a smoke screen that blocks enemy line-of-sight, allowing Ghosts to cross open areas, revive downed teammates, or reposition without being seen. The smoke lasts for a limited duration and can be affected by wind or indoor environments. In gameplay, the M18 is best used to create temporary safe zones in firefights. Throw it at chokepoints to deny enemy vision, or pop it at your feet to obscure a downed ally while a teammate performs a revive. The colored variants (white, red, yellow, green) are purely cosmetic in most games, but in some titles, they can be used for signaling or marking objectives, adding a layer of coordination for squads that communicate. For maximum effect, pair the M18 with thermal or night vision optics—you see through the haze; your enemies don't. And remember: a well-placed smoke can turn a killbox into a blind spot, buying the seconds you need to flip the fight.

Did You Know?

• The M18 Smoke Grenade is based on a real U.S. military-issued device, first fielded in the 1940s.
• In some Ghost Recon titles, smoke grenades can be used to extinguish fires or obscure thermal signatures.
• The M18's colored smoke variants are standardized: white for screening, red for danger or extraction, yellow for chemical hazards, and green for friendly signaling.
• In Ghost Recon: Future Soldier, smoke grenades can be combined with the team's optical camouflage for near-invisible movement.