To be fair, the exact sentence is "we like to tone them down about 10%", which suggests a more common practice rather than only a plan specifically for the F-47.
Of course it's also a quote from Trump, so who knows how much of it is from his random sentence generator. Although I'd guess he's quoting another official or someone from the defence industry.
Of course it's also a quote from Trump, so who knows how much of it is from his random sentence generator. Although I'd guess he's quoting another official or someone from the defence industry.