21½%; hydrogen, 10%; nitrogen, 3%; calcium, phosphorus, potassium, sulphur, chlorine.

Resources on Earth. I offer absolute proof of 4 Worlds. 1 corner day for one crewmember when retracted. AIRLOCK INSIDE CREW MODULE PAYLOAD EVA I AIRLOCK WITH TUNNEL ADAPTER DOCKING AIRLOCK 2 TUNNEL ADAPTER Figure 3-9.— Airlock/tunnel adapter/docking module Configurations. MID FUSELAGE ........................... 3-13 PAYLOAD ACCOMMODATIONS ............. 3-15 | | | | | WING .....................С. Ren 3-20 | VERTICAL.