From the article: **The suits, reminiscent of Marvel superhero Iron Man, can reach speeds of more than 85mph and can fly for more than 10 mins**
**007's jet pack from THUNDERBALL was built by Bell-Textron and originally designed for the US army – but was deemed too dangerous to use. “You could only fly for 20 seconds, then you ran out of fuel and you had nothing,” said Production Designer Ken Adam.**