What is 1975 jets?

The year 1975 saw a number of different types of jet aircraft in use. Here are a few examples:

1. McDonnell Douglas F-4 Phantom II: The F-4 Phantom II was a formidable fighter plane that had been in service since the 1960s. It was equipped with powerful engines, advanced avionics, and a variety of armaments, including air-to-air missiles and bombs.

2. Northrop F-5 Freedom Fighter: The F-5 Freedom Fighter was a lightweight fighter designed for air-to-air combat and ground attack. It was widely used by the US and other countries as a trainer aircraft and for tactical purposes.

3. Lockheed SR-71 Blackbird: The SR-71 Blackbird was a high-altitude, high-speed reconnaissance aircraft that could reach speeds of over Mach 3. It was used by the US Air Force for intelligence gathering and surveillance.

4. Boeing 747: The Boeing 747 was a large, four-engine jetliner that revolutionized air travel. It could carry up to 660 passengers and fly at speeds of up to 570 miles per hour.

5. Concorde: The Concorde was a supersonic jetliner that could travel at speeds of up to Mach 2.2, or over 1,300 miles per hour. It was jointly developed by British and French companies and operated by British Airways and Air France.