Ed Lu, a former NASA astronaut, has shifted his focus from asteroid impacts to the alarming issue of space debris weaponization. He discusses the risks posed to astronauts on the International Space Station and highlights NASA's innovative DART mission for asteroid deflection. Lu also warns about the potential consequences of hacking defunct satellites and emphasizes the urgent need for regulatory measures to protect our space assets. The conversation sheds light on the dual threats from adversarial forces and the increasing dangers posed by space debris.