Thank you very much for your answer.
My second question is a little less surprising. I'm going back to the F-35 question, a controversial issue for which I won't recall all the details.
However, it would appear that, for one of the pre-qualified proposals, the government is spending money on the "development and demonstration of environmentally benign technology for life extension of the F-35 gun system, a major component that will make the entire aircraft system green."
I didn't consider F-35s or gun systems as environmentally benign devices.
I would like to have your opinion on that issue.