For those confused about the relevance of fegu's comment. That acronym was popularized by Robert Heinlein's "The Moon is a Harsh Mistress", which includes kinet

For those confused about the relevance of fegu's comment. That acronym was popularized by Robert Heinlein's "The Moon is a Harsh Mistress", which includes kinetic bombardment of Earth by lunar inhabitants as a plot point. Your comment was opaque, but was the first thing I thought of too