• Archer Aviation and Joby Aviation report Q2 results with different strategies.
• Archer expands into defense, drones, and autonomy via Boeing deal.
• Joby focuses on Blade helicopter business and air taxi development.
• Both companies face certification and commercialization challenges.

The divergent strategies may indicate differing risk tolerances and market assessments, suggesting that Archer could be positioning for a broader aerospace presence, while Joby focuses on near-term air taxi revenue, which may influence the competitive landscape in electric air taxi services.