The HOT (French: "Haut subsonique Optiquement Téléguidé Tiré d'un Tube", or High Subsonic, Optical, Remote-Guided, Tube-Launched) is a second-generation long-range anti-tank missile system developed originally as an effort to meet a joint German-French Army requirement, by the then German firm Bölkow and the French firm Nord, to replace the older SS.11 wire guided missile which was in service with both nations. A few years later, Bölkow and Nord merged into MBB and Aérospatiale respectively, both of which firms later formed Euromissile to design and produce the MILAN, Roland and HOT.