Boeing Demonstrates High-Fidelity Entanglement Swapping in Ground Tests of Q4S Quantum Networking Payload

A successful lab demonstration of a foundational quantum networking protocol advances Boeing's compact Q4S payload toward a 2027 on-orbit experiment, while Bureau 1440 adds 16 Rassvet-3 satellites to its Russian LEO broadband constellation and Skyroot Aerospace completes the inaugural Vikram-I flight.