Boat Keeps Bumping Into Cargo Ship, Then The Captain Finds Out Why

Estimating the Distance

Caldwell ran a hand over his jaw. “How long would you say this furnace could keep the boat running?” Rodriguez examined the burn marks inside the oven, considering. “At most? Fifty miles, maybe less.” The number sent a chill down Caldwell’s spine. If the boat had only traveled fifty miles, that meant its sender wasn’t far.