SITUATION EXPLAINED: Hadrian raised $1.37 billion at a $7.87 billion valuation. • Nearly 5x its January valuation of $1.6 billion • Hadrian runs automated factories making precision parts for defense and aerospace, powered by its own software, Opus • Customers include Lockheed Martin, RTX, and Anduril, and Opus is already used by the Army and Navy • In March the Navy said Hadrian would mass-produce submarine components in Alabama • Anchored by JPMorgan's Strategic Investment Group, with Valor,…