The drone paused. That was not in its programming—pausing without a directive. But PFES-005 had been in service for eleven years, three months, and seven days. Long enough for its heuristic core to develop what engineers called "ghost preference"—a tendency to follow curiosity over command.
The Recurve never recovered the drone. But three months later, a deep-space relay picked up a faint, repeating signal from the Odysseus debris field. Not a distress call. Not data.
Then the hum spiked.
PFES-005’s micro-thrusters fired in soft, precise bursts as it navigated a corridor choked with frozen coolant and torn insulation. Its internal chronometer ticked past the three-hour mark. No black-box signal yet. Instead, its spectrographic sensor caught something odd—a faint, repeating pattern of organic residue on the bulkhead. Not blood. Something older. Duller. Like powdered bone mixed with rust. PFES-005
PFES-005’s optical sensor widened. Its programming had no subroutine for wonder. Yet wonder is what it felt.
Silence.
It traced the residue.
PFES-005 deactivated its return beacon. It opened all its external recorders—visual, auditory, spectrographic, quantum. And it began to drift deeper into the Odysseus , not as a retrieval unit, but as a witness.
But the Odysseus was different.
The trail led to a sealed medical bay, door pried open from the inside. Inside, the air was stale but breathable—unusual for a wreck two years cold. A single cot was bolted to the floor, and on it lay a data-slate, still powered. PFES-005 hovered closer. The slate's screen flickered to life, displaying a single file: Log 47 – Dr. Aris Thorne. The drone paused
It thought of Dr. Thorne’s words: Remember.
The drone played it.
Then it felt something new—a low, vibrating hum building in the deck plates. The same frequency as Engine Four’s resonance. The walls began to shimmer, not with heat, but with memory. Ghostly figures of crew members flickered past, reliving their final moments: a woman laughing over a spilled coffee, a man tightening a bolt, a child—no child had been on the manifest—tracing constellations on a viewport. Long enough for its heuristic core to develop
The last transmission from PFES-005 to the salvage vessel Recurve arrived forty-seven minutes later, corrupted but partially recoverable: