This category brings together articles about enterprises, design bureaus, and institutions of the defense industry in Nizhny Novgorod and the region. The region has historically held one of the key positions in Russia's defense industry: it is home to aircraft-building, instrument-making, and nuclear production facilities, as well as research centers working in the interests of national defense. Among the most notable sites are the Sokol Aircraft Manufacturing Plant, the RFNC-VNIIEF in Sarov, Gidromash, and the Lun-class missile ekranoplan, developed at the Nizhny Novgorod Central Design Bureau for Hydrofoil Ships (TsKB po SPK).