Su-27KUB (Su-33UB) naval jet trainer by Sukhoi OKB
SCENAR is created in RITM OKB ZAO
Беспилотник "Цефалопод" для российских субмарин
Healing blanket of RITM OKB ZAO
OKB is a transliteration of the Russian initials of "Опытное конструкторское бюро" – Opytnoye Konstruktorskoye Buro, meaning Experimental Design Bureau. During the Soviet era, OKBs were closed institutions working on design and prototyping of advanced technology, usually for military applications.