The WuXi STA Pharmaceuticals plant in Middletown is preparing to start operations this winter. | SPOTLIGHT DELAWARE PHOTO BY JACOB OWENS One of Delaware’s largest economic development projects could be in jeopardy after the Pentagon blacklisted the developer over alleged ties to the Chinese military. On the southern edge of Middletown, Shanghai-based WuXi STA Pharmaceuticals is nearing completion on a massive, $500 million pharmaceutical manufacturing campus.