In 2022, Russia launched its full-scale invasion of Ukraine. Over the last 2.5 years of war, the Ukrainian Air Force has fought to hold the Russian Air Force back. Western allies first sent spare parts for Ukraine’s aging Soviet fighter jets, then operational Soviet fighter jets, and now the first Western-built fighter jets are soon to arrive in Ukraine. In addition, Western allies have supplied Ukraine with a large number of mostly Soviet-era helicopters. However, this article will only talk about donated or pledged fighter jets.