Complex sentence: Zimbabwe's Hawks were used during the Second Congo War, numerous airstrikes were conducted in support of the Congolese Army against Rwandan, Ugandan and rebel forces in 1998--2000.
Split into simpler sentences: Zimbabwe's Hawks were used during the Second Congo War. Numerous airstrikes were conducted in support of the Congolese Army against Rwandan, Ugandan and rebel forces in 1998--2000.