The NAZ-3 emergency-landing kit was used in cosmonaut training in all seasons and extremes of temperature, and on all manner of terrain: mountains, steppes, tundra, desert, taiga, and in water. The survival kit was designed to gain the attention of rescue crews rather than for long-term use, containing enough supplies for three men over a 72-hour period. The triangular shape of the carrying cases allowed them to be secured snugly in the cramped space between the seats of the cosmonauts onboard the Soyuz craft.

Une illustration de ce qu’était la grande époque de la conquête spatiale du côté des soviétique…

Source : Encyclopedia Astronautica.