The division formed the nucleus of the Multinational Force Haiti (MNF Haiti) and Joint Task Force 190 (JTF 190) in Haiti during Operation Uphold Democracy. More than 8,600 of the division's troops deployed during this operation. On 19 September 1994, the 1st Brigade conducted the Army's first air assault from an aircraft carrier. This force consisted of 54 helicopters and almost 2,000 soldiers. They occupied the Port-au-Prince International Airport. This was the largest Army air operation conducted from a carrier since the Doolittle Raid in World War II.