Deepflight collides with the Independence

The collision of the Deepflight with the USS Independence is the violent culmination of a biological process unfolding thousands of metres below the Greenland Basin. A jelly-like organism warms frozen methane hydrate, turns the trapped gas into an expanding lift, and sends the captured submersible racing toward the surface. What approaches the ship initially appears to be an unknown object; its eventual impact transforms a strange underwater sighting into a catastrophic breach and explosion.

The organism and its cargo

The sequence begins after the deep-sea chimneys have ceased to be detectable. Small quantities of cold water continue to descend through the ocean toward the bottom of the Greenland Basin. At a depth of 3.5 kilometres, just above the silty seabed, darkness gives way to a blue glow: a long, thin-walled tube of jelly spread across a vast area and anchored by countless tiny feet. Within it, millions of tentacular projections rise and fall in synchronized waves, conveying whitish lumps toward an object largely obscured in the gloom.

That object is the lost Deepflight, protruding at an angle from the silt with its open pods visible. The organism has already been loading it with frozen white lumps, and the submersible is nearly full. When this supply stops, a section of the tube detaches, descends, and wraps around the boat. Its transparent material contracts over the hull, closing the pods; layers of blue shimmer and join until the vessel is sealed inside a jelly cocoon.

The cocoon is not simply a covering. A narrow tube extends toward it and begins pumping water into the enclosure, drawing from an enormous organic balloon suspended above the submersible. The balloon contains warm water originating from a mud volcano near the Norwegian continental shelf. Although the warmer, lighter water should ordinarily rise, the balloon’s weight keeps it suspended. Warmth streams into the jelly around the Deepflight, and the previously frozen white lumps react within seconds: their gas-trapping cages melt, releasing compressed methane.

From seabed to surface

The methane expands to 164 times its former volume. It fills the Deepflight with gas and inflates the jelly sack until the cocoon is taut and swollen. The sack then detaches from its tube and seals itself. Unable to escape, the gas rises, at first slowly and then increasingly fast as the surrounding pressure falls. The cocoon and the submersible are carried upward together. A mechanism that began as the organism’s controlled movement of material has become a rapid ascent powered by the physical expansion of methane.

Over the final minutes, the gas continues expanding. The cocoon’s thin skin stretches to bursting point and tears from top to bottom, leaving scraps suspended in the water. The gas surges upward, carrying a large rectangular object with it: the Deepflight. The ascent thus changes its character once more. The jelly enclosure breaks apart, but the submersible remains caught in the rising force, turning an object gathered and covered at the seabed into a projectile approaching a ship.

An unknown object approaches

A few seconds before impact, the crew of the USS Independence is thrown into red alert. The military-trained dolphins have reported an unknown object, and the sonar systems detect it as well. Its size and shape are initially unspecified; it approaches at speed, makes no sound like a torpedo, and offers no sonar indication of what launched it. Its vertical approach, rather than any clear identification, is what particularly unnerves the crew on the bridge and at the consoles.

The monitors show a round, bluish patch emerging from the darkness. It is a rippling orb, at least ten metres in diameter, rushing toward the ship and growing larger and more distinct on the screens. Buchanan orders it shot down, but the order comes too late. The sequence withholds the object’s identity until after the threat has already outrun the crew’s response: the sphere bursts directly beneath the hull, while the gas continues upward with the Deepflight.

Impact and consequence

Spinning on its axis, the lost submersible reaches the USS Independence bow-first. It rams its torpedoes through the hull. After a brief, suspended interval, the narrative registers the explosion. The collision is therefore not a deliberate attack by the Deepflight: the preceding chain of events shows how the organism’s handling of methane hydrate, the released gas, and the failed cocoon combine to drive it into the ship. The account establishes that the impact is followed by an explosion, without reducing the distinct steps of ascent, breach, and blast to a single instantaneous event.

The episode’s central reversal lies in the change of scale and control. At the seabed, the organism works with a living architecture of feet, tubes, tentacles, and a suspended water-filled balloon; the Deepflight is cargo within that system. During ascent, the gas’s expansion overwhelms the enclosure’s containment, and the vessel’s movement becomes difficult to distinguish from an attack. By the time the crew sees the blue sphere and can act, the biological process has already produced a collision course. The lost submersible returns to the surface not through a rescue or human decision, but as the unintended instrument of a destructive impact.