- Statement A is true: The LVM3 (Launch Vehicle Mark-3), previously GSLV Mk III, is the designated launch vehicle for India's Gaganyaan mission. - Statement B is true: The LVM3 is a three-stage rocket consisting of two solid booster stages (S200), a liquid core stage (L110), and a cryogenic upper stage (C25). - Statement C is true: The Gaganyaan spacecraft comprises an Orbital Module (OM), which further consists of a Crew Module (CM) for carrying astronauts and a Service Module (SM) providing essential support systems. - Statement D is false: The Gaganyaan mission plans to launch a crew of 3 astronauts (known as 'Vyomnauts'), not 5. The planned orbit is around 400 kilometers above the Earth's surface, not 500 kilometers.