JSC NPO Almaz named after A.A. Raspletin (Russian: ГСКБ Концерна ПВО "Алмаз-Антей", former SB-1, 1947–1950; KB-1, 1950–1966; MKB Strela, 1966–1971; TsKB Almaz, 1971–1988; NPO Almaz, 1988–2008; GSKB Almaz-Antey, 2008–2015) is a Soviet/Russian military R&D enterprise founded in 1947. It is the core of the Almaz-Antey holding. Headquarters – Moscow, Leningradsky av., 80.
On 30 November 2009, the board of directors of Almaz-Antey voted to reorganize the joint-stock companies NIEMI, NIIRP, MNIIRE Altair and MNIIPA, merging them with NPO Almaz to form GSKB joint venture. GSKB became the head R&D arm of Almaz-Antey holdings, becoming its Head System Design Bureau (Russian: ГСКБ, Головное системное конструкторское бюро).
NIIRP scientific & research center is developing the Joint system of air and ballistic missile defense (Russian: ЕС ЗРО ПВО-ПРО). Earlier, NIIRP successfully developed the A-135 BMD system together with Amur-P multi-channel firing system which were put into operation to protect Moscow on 17 February 1995. NIIRP had previously designed the A-35 and A-35M BMD systems, which defended Moscow from 1977 until the full deployment of the A-135.
In February 2011, it was announced that the first S-500 missile systems should be in serial production by 2014. There will be also a version of the system called S-1000.