The document summarizes the battle between Boeing and Airbus for dominance in the commercial airplane market. It describes both companies' histories and key aircraft like Boeing's 747-8 and Airbus' A380. It outlines their visions and how they compete through aircraft products, outsourcing, technology, and engine choices. It also discusses controversies over alleged subsidies each receives from governments and litigation at the World Trade Organization. Both companies are fighting for shares of the Vietnamese airline market. In summary, Boeing and Airbus compete globally to be the leading commercial airplane manufacturer while applying new technologies and receiving government support.