Officials hope investments such as Radar 2 may encourage Eurofighter Typhoon export customers such as Saudi Arabia to sign on the dotted line for more fighters.
Global defense demand remains robust with $252 billion worth of allied contract awards expected over the next 24 months, according to investment bank Jefferies.
The new-configuration Hero rotary-wing uncrewed air system unveiled by Leonardo Helicopters has a maximum takeoff weight of 250 kg and a new payload bay.
Boeing has delivered four of the six aircraft ordered under the research, development, test and evaluation contract, with two more set to come this summer.