sentences:  The Kh-23 was later licensed for local production in both Romania and Yugoslavia.In 1977 a dummy Kh-23 was fired from a Ka-252TB helicopter, the prototype of the Kamov Ka-29TB 'Helix-B' assault transport.The Kh-66 used the airframe of the Kaliningrad K-8 (AA-3 'Anab') air-to-air missile, with the nozzle split to make room for the antenna of the beam-riding guidance system of the Kaliningrad K-5 (AA-1 'Alkali').