The beautiful woman and the brave man disembark the train at the tiny station in the desert. He is the test pilot of the hypersonic nuclear-powered plane called Cyclone, and she is the physicist studying the strange phenomenon encountered by the first flier of the Cyclone jet, named Kazantsev.
| Release Date | March 29, 1961 | |
|---|---|---|
| Status | Released | |
| Original Title | Барьер неизвестности | |
| Runtime | 1h 48min | |
| Budget | — | |
| Revenue | — | |
| Language | Russian | |
| Original Language | Russian | |
| Production Countries | Soviet Union | |
| Production Companies | Lenfilm | |