Alphabet (GOOG.O) is in talks with the Pentagon to join President Trump's $185 bln "Golden Dome" missile-defense program, focusing on data security, storage, networking and cybersecurity to harden military command-and-control data transmissions, sources said. Discussions are at an early stage; Alphabet's network unit Aalyria is participating in consortium preparations. The Pentagon said it has not made a final decision on forming a new consortium or on participating firms.