Sukhoi aircraft prototype engineering facility, in October 1930. Under Sukhoi's leadership, the team of the future design bureau started to take shape. The team, under the Tupolev OKB, produced experimental fighters such as the I-3, I-14, and the DIP, a record-breaking RD aircraft, the Tupolev ANT-25, flew by famous Soviet aviators, Valery Chkalov and Mikhail Gromov, and the long-range bombers such as the Tupolev TB-1 and the Tupolev TB-3. In 1936, Josef Stalin, leader of the Soviet Union, issued a requirement for a multi-role combat aircraft. As a result, Sukhoi and his team developed the BB-1, a reconnaissance aircraft and light
Sukhoi Log mine studies. During these events the gold was likely remobilized and other ore minerals (e.g. pyrite) formed to create the present day state of Sukhoi Log. A summary of the known ages and events is given in Hnatishin and Kravchinsky (2014) Sukhoi Log mine The Sukhoi Log is one of the largest gold reserves in Russia and in the world The reserve is located in Irkutsk Oblast and has estimated reserves of 64 million oz of gold, but has a low grade. During the 1990s a proposal was made to mine Sukhoi Log by the semi-private Russian company Lenzoloto with the