Germany's parliament has approved a sizeable contract for defense giant Rheinmetall to supply loitering munitions, or kamikaze drones, to the Bundeswehr, underscoring just how quickly European militaries are internalizing drone warfare lessons from both the Russia-Ukraine war and, more recently, the U.S.-Iran conflict. Berlin's latest procurement push makes it clear that one-way attack drones are becoming a serious threat, and the race to stockpile them has begun.