 Complete the following phrase:  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 