Zhaslyk was a airfield of the Soviet Armed Forces located 9 km north-east of Zhaslyk in the Republic of Karakalpakstan, in the Uzbek Soviet Socialist Republic of the Soviet Union.

In English-language sources it is designated Beleuli North.

[1] It was built in the mid-1980s to serve the “Eighth Chemical Defense Station” located near Zhaslyk, intended for testing chemical weapons and means of protection against them.

[2][3] The test site was operated by military personnel from units stationed in Nukus: a chemical testing regiment (Military Unit Number (V/ch) 44105) and a center for the development of means of protection against chemical weapons (military unit 26382).

[4] For aviation support of the test site, the 287th separate test aviation squadron (Antonov An-26 aircraft, Mi-8 helicopters), based at the Nukus Airport, was used.