Complex sentence: The unit was given the honor "16th Guards Fighter Regiment" in March, 1942.at this time, or soon after this, the unit received some Yak-1s, in which Pokryshkin also scored victories.
Split into simpler sentences: The unit was given the honor "16th Guards Fighter Regiment" in March 1942. At this time, or soon after this, the unit received some Yak-1s, in which Pokryshkin also scored victories.