Russell played center for the Boston Celtics of the National Basketball Association (NBA) from 1956 to 1969. A five-time NBA Most Valuable Player and a twelve-time All-Star, he was the centerpiece of the Celtics dynasty, winning eleven NBA championships during his thirteen-year career.
Soviet submarine K-8. K-8 was a November-class submarine of the Soviet Northern Fleet that sank in the Bay of Biscay with its nuclear weapons on board on April 12, 1970. A fire on April 8 had disabled the submarine and it was being towed in rough seas. Fifty-two crewmen were killed attempting the salvage of the boat when it sank.
The Su-27SK multi-role fighter is an export variant of the Su-27 (NATO reporting name: Flanker) fighter developed by Sukhoi Design Bureau. The aircraft offers a maximum speed of Mach 2.35. Serial production of the Su-27SK commenced at Komsomolsk-on-Amur and Irkutsk production plants in 1991.