If you’ve always wanted your own military-grade portable darkroom, today’s your lucky day! There’s a used US Army one for sale on eBay with the starting price of $4,500. The 4,500LB shelter contains 3 rooms with 614 cubic feet of space, and comes with all the darkroom equipment you need, including a fridge, film drying cabinet, film processors, sink, storage spaces, and an escape door! It even packs its own temperate water control system and heating/AC unit. You can find more photos here.