[And a short time later, a list comes buzzing over. He's clearly had it waiting in the wings:]

FIRST AID
compress dressings
adhesive bandages
adhesive cloth tape
antibiotic packets
antiseptic wipes
aspirins
space blanket(s)
latex gloves
hydrocortisone packets
scissors
roller bandage
sterile gauze
thermometer
tweezers

CLOTHING
Warm socks, hat, mittens, waterproof gloves
Long underwear
Fleece sweaters/pants
Waterproofed jacket/pants
Snow boots
Goggles

MISC GEAR
Sleeping bags/blankets
Shovels
Rechargable batteries/torches
Sterno emergency stoves
MREs
Multitool
Nylon cord
Compass
instant heat hand warmers

LARGE GEAR
Generators (and petrol)
Some other kind of regenerative energy source(? Can't keep running about in time to get petrol)
Space heaters(? Probably more of a drain than they're worth)

Obviously open to editing or additions. I don't have an accurate headcount on how many people are opting to go down versus stay on the moon, but I can't imagine there's many set on the latter. Feeding, clothing and heating three hundred people is going to be like herding cats