^McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 2 May 2012.
^Paleologue, A (2005). "Early Warning Satellites in Russia: What past, what state today, what future?". In Pejmun Motaghedi (ed.). Proceedings of SPIE Vol. 5799. Modeling, Simulation, and Verification of Space-based Systems II. SPIE. pp. 146–157. doi:10.1117/12.603478.
Payloads are separated by bullets ( · ), launches by pipes ( | ). Crewed flights are indicated in underline. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in (brackets).