Cockpit King on Instagram: "The Boeing 707 didn’t just enter service — it launched the Jet Age and reshaped global air travel forever. Here’s a high-impact, detailed breakdown of why the 707 holds one of the most important roles in aviation history: ✨ The first successful American commercial jetliner The 707 was Boeing’s first jet-powered airliner developed specifically for passenger service. Its prototype evolved from the Boeing 367-80 “Dash 80,” and the first production model flew in 1957, ent