Offbeat Powders, gels, and fermented nutrients could someday join the battlefield menu Eating in the field has never been fun for US Army soldiers. And they may soon face even stranger field rations than they do today: Alternative proteins delivered in formats ranging from powders and sauces to gels and semi-solids. The Army on Monday published a sources sought announcement to gather submissions from interested industry and academic partners in the "alternative protein sector," willing to help the branch develop rations that are lighter weight, have a longer shelf life, and could potentially be produced in combat-forward environments.…