Complex sentence: By 1954 the bureau was designing liquid rocked engines for super performance and experimental aircraft, the Yak-27V and E- 50A, and from 1957-1962 they designed engines for anti-aircraft guided missiles.
Split into simpler sentences: By 1954 the bureau was designing liquid rocked engines for super performance and experimental aircraft, the Yak-27V and E- 50A. From 1957-1962 they designed engines for anti-aircraft guided missiles.