WASHINGTON, Sept. 15 -- The U.S. Department of War issued the following news: * * * From MREs to Supplements: How Experts Feed Troops' Evolving Nutritional Needs * Many comparisons are made between the diet and nutritional needs of service members and those of serious athletes. However, service members face unique constraints and challenges in their operational environments that render those needs very different. For instance, athletes know the times and specific details of their events, f  more