Complex sentence: In early August 1942 the air group moved to Rabaul, immediately operating against the US forces on Guadalcanal-in the first clash on August 7 Nishizawa claimed six Grumman F4F Wildcats (historians have confirmed two kills).
Split into simpler sentences: In early August 1942 the air group moved to Rabaul, immediately operating against the US forces on Guadalcanal. In the first clash on August 7, Nishizawa claimed six Grumman F4F Wildcats (historians have confirmed two kills).