The brigade's fighting during the Suez War resulted in a breakthrough in how the army approached the character of armored warfare. As of 2014[update], the brigade is transitioning from Merkava 2 tanks to Merkava 4 tanks.[1] 188th "Barak" Armor Brigade Beginning with the Six-Day War, the brigade participated in all of Israel’s wars. During the Yom Kippur War, the brigade was the first line of defense in the first days of the war in the Southern Golan, and saw almost all of its officers killed in action.