Recreated in February 1947 under the designation of 4e bataillon de dragons portés, the battalion was sent to Tonkin on March 25 of the same year. The battalion was sent to Cochinchine in 1948, on November 1, the battalion was redesignated as 4e régiment de dragons portés. The regiment became 4e Régiment de dragons on February 16, 1950. On June 30, 1954, the regiment was dissolved after a 7-year presence in Indochina. The regiment was cited twice at the orders of the armed corps. The 4e Régiment de dragons was formed from elements of the 5th Armoured Division 5e DB on November 15, 1955, in West Germany, then was sent to Algeria on June 19. On April 28, 1968, at Olivet, the regiment was recreated and equipped with AMX-13 tanks, composed of two squadrons and two companies of VTT. On June 30, 1979, the regiment was dissolved. The regiment was recreated on September 1, 1979, at Mourmelon-le-Grand. The regiment was accordingly equipped with 54 AMX 30 B2. The first squadron of the regiment was professionalized and participated in Tchad to Operation Manta from January to June 1984. The regiment was entirely professionalized in 1990. the 4e dragons was the (heavy AMX-30 B2) armoured tank cavalry regiment of Division Daguet during the first Gulf War. The regiment participated to the principal mission of the division in liaison with the 3rd Marine Infantry Regiment 3e RIMa. The regiment was cited at the orders of the armed forces and was awarded the croix de guerre des théâtres d’opérations extérieurs with palm. The regiment participated in September 1992 within the United Nations cadres force FORPRONU. Strong with two units, the regiment participated to readying an infantry battalion acting in Croatia. Dissolved in 1994, on June 28, 2006, the honor guard was entrusted to the combat training center at Mailly.