Key Takeaways GSK plans 30B U.S. investment in R&D and supply chain infrastructure over the next five years.A 1.2B biologics flex factory in Pennsylvania will develop respiratory and cancer drugs.New AI and digital upgrades will enhance GSK's five U.S. manufacturing sites across four states.GSK plc (GSK) has unveiled a $30 billion investment plan in research and development (R&D) and supply chain infrastructure in the United States, which will be executed over the next five years.GSK’s latest initiative w ...