These integrated the most crucial/nose landing gear doors, egress/ingress flight crew side hatches, RCS thrusters, mid-fuselage vent doors as well as the payload bay doors. The RCS fairings have been made from Inconel®. Boron carbide tiles are used to supply multi-hit tactical human body systems through boron carbide and silicon https://x.com/hongyuxin20/status/1818166382791397862