They do the same thing building architects do. They draw pretty pictures of the end product that may of may not be structurally sound, then rely on engineers to build it and make sure it doesn't collapse.
If the US didn't have planes specifically designed for air to ground, the F-15 would do the job more than adequately. The F-15E has been used in that role
My 6th grade class took a field trip from Biloxi MS to New Orleans to see the visiting Tutankamon exhibit in 1977. It was the first real museum I'd visited, plus we'd spent the semester studying Egyptian history.
Those who forget the past are condemned to repeat it