White phosphorus munitions were used extensively in Korea, Vietnam and later by Russian forces in the First Chechen War and Second Chechen War. White phosphorus grenades were used in Vietnam for destroying Viet Cong tunnel complexes as they would burn up all oxygen and suffocate the enemy soldiers sheltering inside. British soldiers also made extensive use of white phosphorus grenades during the Falklands War to clear out Argentine positions as the peaty soil they were constructed on tended to lessen the impact of fragmentation grenades. According to GlobalSecurity.org, during the Battle of Grozny during the First Chechen War in Chechnya, every fourth or fifth Russian artillery or mortar shell fired was a smoke or white phosphorus shell.