The MALE UAV system Harfang is currently operated in Afghanistan by the French Air Force. The White Paper, published by the French government in July 2008, defines a strategy of national security, including a defence policy but also those of interior and civil securities; the strategic function of knowledge and anticipation, held up as a priority, ensures the strategic initiative. Which long endurance UAV system, whose delivery is envisaged in the next decade, corresponds to the national security policy set out in the White Paper?