![Pictured: World-first air refuelling by a HH-60W Jolly Green II](https://worldofaviation.com/wp-content/uploads/2020/08/atareful.jpg)
Airlines
These photos show the first moments a US Air Force HH-60W Jolly Green II combat rescue helicopter completed its first in-flight refuelling.
![USAF introduces metal manufacturing technology](https://worldofaviation.com/wp-content/uploads/2020/05/USAF-Metal-Manufacturing-Technology_47c6.jpg)
Defence
The US Air Force Life Cycle Management Center’s Metal Technology Office has pioneered a safe, agile and cost-efficient way to replace aircraft parts, drawing on the expertise of additive manufacturing technical experts working with deployed Air Force units.
![Air Force One instruction manual to cost $84m](https://worldofaviation.com/wp-content/uploads/2020/04/2041116raaf8298528_0189-1-1-1024x597-1.jpg)
Airlines
The United States Air Force has inked a deal with Boeing for "VC-25B technical publications" – the instruction manual for the two military 747-200B jets collectively known as "Air Force One."