• Archer Aviation focuses on urban air mobility with eVTOL aircraft.
• Rocket Lab provides launch services and satellite components.
• Both companies face different regulatory hurdles and market opportunities.
• Rocket Lab has established revenue, while Archer Aviation awaits FAA certification.

The comparison between Archer Aviation and Rocket Lab may indicate a shift in investor preference towards established revenue streams in the aerospace sector. Rocket Lab's diversification into satellite components and its pending acquisition of Iridium Communications suggests a strategic move to reduce dependence on launch services, which could strengthen its competitive position.