Recent Soviet advances in aerospace technology
Part of a broader investigation concerned with the development of Soviet astronautics and based primarily on material gleaned from Soviet literature. The Soviet aerospace program has been developing in three well-defined, although interrelated, phases--the earth-orbital, the lunar, and the interplanetary. All phases are aimed at eventual manned interplanetary travel. More powerful propulsion systems are being developed by the Soviets for launching space vehicles than heretofore used by combining rocket motors with special-purpose turbojet and ramjet engines.