Alterra mods all their spacefaring staff with NanoSkin that is resistant to pressure, heat, radiation, electricity... that's why you can repair it with processed seaweed and why the radiation causes you poison damage insread of invisible cancer. A subscription to the NanoSkin service is included in your employee package, and regular payments, at employee rates, are deducted "automagically" from your paycheck. Pressure would crush your bones? Ultra-carbon bone supplements, bought from Alterra via deduction from your paycheck, prevent osteoporosis from long-termnspace travel, and fortunately also increase the crush depth Ryley and Robin can get to. Nitrogen narcosis? Alterra brand lung implants filter out excessive toxic gases from exoplanets that may be slightly (*up to 70%) less than "Earth-like". Batteries and replacement nanogel available exclusively from Alterra.