OKB-155 is a Russian design bureau known for its work in aerospace engineering, particularly in the development of military aircraft. Established in the mid-20th century, it has contributed to various projects, including fighter jets and bombers, showcasing innovative designs and advanced technology. The bureau is part of the larger United Aircraft Corporation, which oversees several design organizations in Russia. OKB-155 has a reputation for producing high-performance aircraft that meet the demands of modern warfare, emphasizing speed, agility, and advanced avionics systems.