Rep. Tim Burchett says he was briefed on The US Military breeding Aliens and Humans. Original source: https://www.facebook.com/share/v/19mTko3tMp/

My question is what could an alien species with ftl travel possibly want with combining their genes with humans,to just have ftl means you should be able to solve many societal issues with technological advancement. Even if they were going extinct just use your own cells to clone or breed with another grey.