A shipwright signs on for an eleven-month belt crossing to fix one furnace

The window to Ceres opens in nine days. When it closes it will not open again for the better part of two years, and somewhere inside that narrow arithmetic stands Imelda Varga, furnace specialist, forty-one certifications deep and the only living holder of the one that matters.

She is standing on the departure dock at Verne Station with a single sealed case of diagnostic tooling and the unhurried posture of a woman who made her peace with the calendar a long time ago. The smelter waiting for her at Ceres Reach is the Hadfield induction furnace, the oldest continuously fired unit on the Reach. Borealis Smelting runs it, turning the haulers' ice and metal into something an exchange will clear, and the firm has spent the better part of a year discovering that no one else alive is certified to open the thing without voiding it entirely.

"It was built to a standard they stopped teaching," Varga told me, resting her case against her knee. "The people who wrote that standard are mostly gone, or they aged out of the trade. I didn't. That's the whole of my advantage. I'm what's left."

The price of being what's left

The crossing runs eleven months each way, against a window that opens only every two years. That is the shape of the voyage, and the shape of the voyage is the shape of the contract. Borealis is paying Varga in stewardship credits, the long slow currency of maintaining what earlier hands built, rather than in anything she could spend before she returns. The return itself is the sharpest clause in the document. She cannot book her homeward berth until she arrives, because there is no berth to book yet. The ship that carries her home hasn't been assigned. It may not yet be laid down. It will depend on what the Reach has to send back through the next open door.

"I priced the distance," she said, and there was no complaint in it. "The furnace is scarce. The certification is scarce. A berth home across that gap is the scarcest thing of all. You charge for all three or you don't go."

I have watched Verne Station work a departure before. There is no drama in it, only loading and reconciliation, the manifest closing line by line as the window narrows. A dock supervisor named Okonkwo, checking Varga's tooling case against the mass budget, put the labor market plainly. "We build ships here. We cannot build the hands that know the old machines. Those you wait for, and you pay what the waiting costs."

The romance of the long voyage is real. I have never pretended otherwise, and my rivals on the lunar beat will tell you it blinds me. But romance keeps a ledger too. A furnace at the Reach will go cold without one woman's hands, and one woman's hands will go two years without a home, and between those two facts the contract was written, signed, and stowed.

Varga will board when the window opens. She did not ask me when it closes. She already knows.