They’ve just returned from Afghanistan, where three of their comrades made the ultimate sacrifice. France's 2nd Marine Infantry Regiment marched down the Champs-Elysées as part of the national Bastille Day celebrations. But the day was tinged with sadness, and not only from the loss of their colleagues and the other French soldiers who have died this week. The French public seems to have little awareness of, or support for, what their troops are doing in Afghanistan.