BRUSSELS — French military prowess isn't always fully appreciated in the United States. But there are few troops anywhere in the world better prepared for their task than the marines, foreign legionaries, and other elite French units rolling north to confront the Jihadist militants controlling much of Mali.

LONDON — Drastic cutbacks will see the legendary forces reduced to their lowest numbers in more than a century. Critics say that will erode Britain's ability to punch above its weight.