A sonic boom is not necessary when moving faster than sound, the Busemann biplane resolves that completely. There's been considerable work on sonic boom mitiga

A sonic boom is not necessary when moving faster than sound, the Busemann biplane resolves that completely. There's been considerable work on sonic boom mitigation for many decades. Boom's long nose, flat underside, top engine, small wingspan delta wings are all designs expected to mitigate a sonic boom. Let's see if it works in practice.