The document discusses the long-standing rivalry between Boeing and Airbus in the aerospace industry, highlighting Airbus's recent dominance in market share. It provides a background on both companies, detailing their historical developments and current market positions, as well as the competitive landscape shaped by high barriers to entry and substantial government involvement. Furthermore, it examines the differing manufacturing strategies and supply chain structures of Boeing and Airbus, illustrating the strategic adjustments both companies have made in response to market demands.