The Pentagon wants ketamine wafers. And it seems to want them now. Earlier this year, the Defense Department awarded a nearly $41 million development contract to Singapore-based iX Biopharma to develop Wafermine, a small, ketamine-packed wafer that dissolves under the tongue.Recently, the drug’s manufacturer announced that it is pursuing an emergency authorization that could make the medication available to troops before it receives full Food and Drug Administration approval, citing a September U.S. declaration of a military emergency that justifies the emergency use of drugs deemed necessary by the Pentagon. A federal emergency use approval declaration by the U.S. Department…