In 2011, United States Navy SEALs used a Belgian Malinois war dog named 'Cairo' in Operation Neptune Spear, in which Osama bin Laden was killed. A Malinois in the ring competing in dog agility. Well-raised and trained Malinois are usually active, intelligent, friendly, protective, alert, and hard-working. Belgian Malinois exhibit energy levels that are among the highest of all dog breeds. A typical Malinois will have puppy-like energy until the age of three, though it is not uncommon for them to exhibit this energy level until the age of five. Many have excessively high prey drive. Some may be excessively exuberant or playful, especially when young.