Coba jelasin Spesifikasi (RS-2US / K-5MS) dari Peluru berpandu AA-1 Alkali dalam bahasa melayu dong

Both the Soviet Air Force (VVS) and the Soviet Air Defence Forces (PVO) operated the K-5.

The People's Liberation Army Air Force operated licensed Chinese copy of Kaliningrad K-5 designated as PL-1 (PL: short for Pi Li or Pili, meaning thunderbolt).

The Czechoslovakian Air Force operated RS-2U and RS-2US.

The Hungarian Air Force operated RS-2US on MiG-19PMs, MiG–21PFs and MiG–21MFs.

The Polish Air Force operated RS-2US on MiG-19PMs and MiG-21s, still in use as practice target.