Often less (specific and words) is more for Google:
"object trailing flight test"
Returns a number of relevant hits on first page, pprune is still first.
'flight test' will match most anything to do with aircraft and is likely ranked by Goggle same as if it had been quoted which allows a match on the 2 words only if together.
Google is also smart enough to parse 'object' to match 'cone' or 'string' in articles that otherwise look relevant. The third ranked article does not contain the word 'object' at all.
Adding 'wichata test' triggered lots of irrelevant news about the union testing management etc.