Twin towns sister cities edit Aalborg maintains cultural, economic and educational ties with 33 cities around the globe, 162 163 more than any other city in Denmark. Sikorsky construction numbers do not have any separators between the model number and the sequence number 3896 (MSN 55324) delivered to usaf Mar 10, 1953. Education edit The major university in Aalborg is the University of Aalborg, founded in 1974. 17604 (MSN 24) Delivered to Air Materiel Command August 27, 1954. Returned to usaf 13183 transferred to South Korean AF 13184 transferred to Republic of China AF 13185 transferred to Republic of China AF 13186 damaged May 4, 1953 grd accident-Landstuhl AFB, W Germany. WFU 4092 (MSN 580-5386) to rcaf as Silver Star I 14688. Registered G-beuu Jun 27, (MSN 18-1555) to French army, then became OO-HMI.