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Iron Lung (2026) is a film dedicated to the eternal nature of hope, but Captain Ava is defined by desperation so deep that it becomes a survival instinct necessary to her worldview. When she was younger, Ava watched her entire universe become dark and empty - the Quiet Rapture destroying almost all of humanity and every hospitable planet, leaving an entire society split across a handful of spaceships, with limited resources and no hope for survival. Witnessing the formation of the Consolidation of Iron, and the new stringent world order that accompanied it, would have forced Ava to create an immovable sense of self from a young age. When this view is challenged, she resists - subsequently betraying herself and her perceived duty to humanity by intentionally sacrificing lives in the name of progress - a pattern which is destroyed when she is confronted with the convict Simon, and his unjustifiable desire to survive simply for the sake of life.
I.
Captain Ava is a character who must be viewed through the context of her origins, both within the narrative of the film, but also her personal life and history.
She appears on-screen at first completely anonymised: A cool, detached voice piped in through speakers, looming over the head of an equally shadowy Convict. However, as the film progresses, the audience are allowed a personal level of insight into our Convict's life, and, as many times, are offered the chances to make inference into the life of the Captain.
The Convict likely began life on the planet Mars - which can be assumed to have been terraformed into a habitable planet with a similar biosphere to Earth, including trees - and moved to a space station with his mother at a young age.
Ava, at a similar age, may have been raised on Earth, or have lived on an Earth-made station her entire life. Therefore, as a child she experienced the Silent Rapture firsthand- she would have been aware of the hopelessness of her new world, the unquantifiable deaths, or disappearances, that she and her few fellow survivors were forced to come to terms with.
All that was left of humanity fractured into distinct societies, and only two of these are shown in the film. These are the cult of Eden Space Station, holding the majority of people and the only living trees left in the universe, and the Consolidation of Iron: Ava's home, a society defined by desperation and resourcefulness, made up of a few hundred people spread across a small number of ships and stations.
In this environment, while Simon was indoctrinated into a society that worshipped death and hopelessness above all else, Ava grew up completely aware of her role as a survivor and her future responsibility to ensure the survival of others. While the Convict murdered his young peers and earned the moniker "Butcher", Ava was being prepared for leadership, slotted into a ragtag militaristic society that formed around the idealised notion of total order and cooperation to ensure humanity's survival.
While this drive for life may make the COI seem the lesser of the two horrors, Ava's grim attitude to the people she lives and works with reveals the disdain for complexity that has been drilled into her understanding of the world, and further uncovers the ways in which the Rapture completely fragmented humanity's view of life.
II.
The Consolidation of Iron appears to instill within its people a deep sense of communal patriotism, forcing each of its members to devalue individual life and suffering to regard a larger notion of "humanity" as the ultimate goal. As a society on the constant brink of collapse through lack of resources, starvation, and complete helplessness, this ideal makes sense - however, when applied directly to the people that Ava is in command of, the Consolidation's inbuilt reflex for life at all costs denies its remaining survivors the ability to thrive.
Constantly throughout the film, other characters: David, and later on the Convict Simon - wield the COI's motto "This Is Bigger Than Us" as a sort of shield against the reality of the atrocities they are committing or having committed towards them.
However, Captain Ava uses the slogan specifically to dismiss or devalue what the audience, through the convict's perspective, would see as reasonable concerns for safety and life. Several times, she orders Simon into compromising (and, to her understanding, likely fatal) positions, then follows with "this is bigger than us". She chooses to subscribe wholly to the meaning behind the phrase that the COI has chosen to represent itself, apparently to the frustration of other members of the crew. David specifically says, "enough with the slogan!" as Ava is using it to justify risking her own life. Captain Ava uses "this is bigger than us" as a driving force to reach her goals, which are directly related to the Consolidations goal: preserve and maintain human life, provide a path forward to a future. The actions she takes to achieve this are ruthless to the point of moral failure, but as Ava's moral compass is directly oriented towards whatever will promote humanity's survival, these small-scale atrocities are not of concern.
When viewed through the Convict's eyes, the audience can clearly see the horror and inhumanity of her actions. To condemn a human, or, as the audience learns, potentially tens of humans, to a slow, frightened, painful death of oxygen starvation or outright drowning is cruelty beyond understanding. This is exacerbated by the understanding that humanity is limited, as stated in the Iron Lung game, to under a thousand bodies after the Rapture.
However, to Ava these choices are not only necessary but, in the case of the Convict Simon, an undeserved kindness: to her knowledge, he is an unrepentant mass murderer, destroyer of resources, and dedicated member of Eden's doomsday cult. To offer him penance, a chance for "earning [his] place in the Consolidation" as well as the opportunity to gather valuable resources and research that could potentially prolong humanity's lifespan as a whole, is more than he "deserves". Within the later half of the film, we hear that she stated this herself: "Most other Captains would have had you killed on sight."
The Consolidation, through Ava, works to make Simon a scapegoat. His crimes, which he apparently willingly gave himself up for ("I read your file. You surrendered."), despite later arguing that he had no part in the destruction of Filament Station and had fought against it, are heinous enough to justify anything Ava chooses to do to him.
Since the Convict is assigned to Ava, he appears to effectively become a human resource for her to do with as she sees fit, and therefore she has no issue with using his Conviction Realisation to work towards what she hopes will be a solution for the issue of resources, food and air, and safety.
Her apparent blindness to the reality of her cruelty is contrasted, however, by her screaming "You think I enjoy this?" at Simon's provocation - the first sign the audience is given into her true thoughts on the matter, and her massive cognitive dissonance.
As the audience becomes aware, Ava is a woman struggling under the weight of her duty. She gave the Convict the option to risk his life because, as she phrases it, he "deserves" this. As soon as the dive becomes difficult, Simon shows distress at his situation and anger towards Ava specifically, demanding she just kill him herself. She lashes out in return, demanding he consider her position and reminding him that he chose to serve this penance, regardless of her own misleading as to its nature.
Ava has grown up believing that human life is the ultimate resource. Simon's distress at his own situation despite his apparent willingness to destroy life becomes a massive point of contention between her understanding of the world through the COI values and her personal moral code.
If a man like the Convict, who is a proven danger to her entire way of life, is capable of such human reactions, then the implications of her own lack of regard for individual human life become incriminating. If Captain Ava is sacrificing resources and convicts to search for a solution, then she is able to remain a good woman and a symbol of the Consolidation's hope for humanity. However, if, as the Convict's point of view suggests, she is only futilely feeding people to an alien planet, then her hands are just as bloodied as his, and in fact the COI and Eden are fundamentally no different in their culpability towards the death of humanity.
III.
Survival is a mandatory path for the Consolidation of Iron, but one that is lined with bodies, many of which are directly caused by Ava's choices. Ensuring her crew's faith in her ability to bring them salvation necessitates extreme sacrifice, as she views it - as she is psychologically unable to allow herself to be a murderer. Ava's position in the world, as a Captain of the Consolidation, requires her to be able to provide for her people through a series of increasingly difficult choices. As David says, the SM expeditions are looking for food, and air - resources that are fundamental to not only the COI's survival, but the whole of humanity's continued existence. This is the weight of responsibility which Captain Ava has been handed, and it is evident that she intends to take it as gravely as humanly possible.
The crew of the towship, including any convicts, are resources and bodies that Ava is authorised to use as she sees fit in order to complete the intended objective of her mission. She does not attempt to justify her callous disregard for well-being and safety, not just of her crew but also her own life. To Ava, these choices are the only way to get results, and therefore do not require explanation. She refuses - or neglects to consider - taking down the Convict's name, as she cannot afford to humanise him in a way that leaves her vulnerable to guilt or doubt at the way she is treating his life as expendable. She demands her crew operate at the same standard she subjects herself to, despite illness, injury, or discomfort, because in her view, there is nothing more important than the possibility of tangible hope for humanity's future.
Ava treats every single one of her actions and their consequences as necessary - there is not one thing she is unwilling to lose more than hope, and so in the face of annihilation she will do anything to preserve it.
This leaves her in a hypocritical, self-aware state wherein she is able to see the harsh reality of her orders and actions, but is not able to take kinder courses for fear of losing everything she is working for. For example - within the film and game, the SM dives are referred to as "executions", due to the low rate of survival and the harsh, inhumane conditions they are subject to. However Captain Ava is, on one level, incapable of viewing these as anything more than expeditions for research and data collection - if she faces the fact that Convicts are more likely to die at the bottom of the AT-5 blood ocean than find any useful information or samples, she will be forced to admit that there is no reasonable hope to be found by continuing with the dives. Therefore, as her purpose as a Captain of a COI Towship is to oversee the retrieval of data and conduct research related to reversing the effects of the quiet Rapture, she would be forced to admit that she, her crew, and her hope for the future, are all obsolete.
Similarly, we learn near the climax of the film that Ava has previously sent down a small team of COI researchers in the SM-8 hemorover. Her own crew members, who know her by name and had enough of a relationship with her to spend their last hours begging her to recover their sub, despite not knowing if she could hear them or not. The audience knows from David's narration that Ava cares about her crew; we can also infer this through her immediate action to personally escort her welder to medical after the radiation blast in the hanger. The audience also knows that Ava has the means to recover lost or damaged submarines - the only thing preventing her from doing the same for the SM-8 is the uncertainty as to its physical location, which the Convict solves.
Interestingly, when the crew of the 8 are begging for their lives, they do not talk about their personal safety but rather the importance of the data they are carrying, and the implications it may have for saving humanity. They believe, or they think that Ava believes, that their research and mission is more important than their lives. Ava's apparent change of heart in the last portion of the movie should be viewed not as a sudden gain for regard towards the lives of the convicts she has sentenced to death, but as a last-ditch attempt to gather information and human life, which she has an inherent view of as worthwhile or valuable.
While she does not admit it outright, the audience are able to read into her other actions and extrapolate her subconscious opinions on the matter. In her single on-screen scene, Ava spends most of her time wiping blood off the porthole. She is alternately obscured by it, and visually imprisoned by it. Therefore this blood has two potential readings.
Firstly, the stated intention of the director, that the drips represent prison bars and the Convict is cut off from the world intentionally, literally and metaphorically imprisoned in the SM-13. If this is true, then Ava is directly responsible for the blood, but also the only person attempting to free the convict. She wipes the porthole clean five times in her short scene, each time to speak to and look at him, which is more human connection than he gets from any other character in the film.
However, this scene can also be interpreted as Ava continuing to delude herself about the reality of her actions - the more blood she wipes away, the dirtier her hands become, but she is attempting to convince herself that these SM dives are a net positive outcome.
The audience sees Ava obscured by the blood - it covers her face, and her eyes at several points, implying that she is literally blinding herself to the negative consequences of her actions.She chooses courses of action that directly harm herself, her crew, and especially the Convict, whom she almost convinces that she can save, in the name of progress towards the goal of survival. To admit that she is wrong would be to condemn herself, her crew, and all of humanity to a slow, starving death, devoid of hope.
IV.
Captain Ava appears to the audience as a cold, manipulative character who uses the people around her as resources to further her own goals. In reality, she is a desperate woman clinging to hope with her fingernails, driving herself away from humanity in order to save it. Over the two-hour runtime of the Iron Lung film, the audience watches as her aloof, professional facade decays, revealing the fear and compassion that drives her - she is a woman put into an impossible position, who is struggling to meet the standards that are demanded of her and is resorting to horrific measures in order to achieve some semblance of success.
This primarily means providing hope for the future, which she achieves by demonising Eden to a point where using its people to undertake fatal explorations seems like a just punishment, rather than an inhuman act. The Convict Simon's existence reveals the flaws in her judgement: by volunteering for this expedition ("I want the deal."), speaking to members of the crew in a way that forces them to acknowledge his humanity, including apologising ceaselessly for irradiating them, and begging to be allowed to live at several critical points in the film, he forces Ava to acknowledge that he did not deserve the death she chose for him. Furthermore, if the Convict Simon, alias The Butcher, is capable of fear, connection, remorse and desire to live, then Ava cannot feasibly continue to ascribe to the COI belief that convicts are nothing but human resources to be sacrificed or forcefully redeemed through punishment.
By the time Ava actions her personal beliefs, she has had several days since being irradiated to consider the implications of her actions, and the worth of her life weighed against the potentially revolutionary data contained within the SM-13's Black Box. With the understanding that she, and most of her crew, are already halfway to their slow, painful deaths, Ava makes the choice to risk her own life to retrieve the Black Box, and the Convict, on her own. However, as David points out, Ava's role as a Captain is far more important to the COI than the life of a desperate criminal who, to their knowledge, may be lying to manipulate his chances of survival. Captain Ava is a resource the Consolidation cannot afford to lose, as she has proven herself as a woman who is not afraid to make difficult choices to preserve the status quo she has been brought up in.
Therefore, it may be inferred that Ava has finally caught sight of her own hypocrisy in regards to her attitude towards human life and has decided, consciously or not, to serve her own penance rather than risk any other member of her crew.
Over the course of the film, Ava becomes a more sympathetic and humanised character through following her narrative arcs to the extreme conclusions. In her desperate fight for survival, she takes courses of action that lead to her death. She refuses to sacrifice any more of her crew to AT-5 and insists on being the sole person to retrieve the convict and the SM-13 and SM-8's data. Therefore, she is eaten by the monster at the bottom of the blood ocean, alone and left with no illusions of a hopeful future for herself. However by doing this, she subverts her previous character motivation. Up until this point Captain Ava has been the representative of a driving desire for humanity's survival, at the cost of all immediate life - by choosing to retrieve the Convict, learning and using his name, and directly sacrificing herself and her position to promise him safety, she becomes a symbol of the worth of individual life.
Ava's character arc is about choosing to care. Initially about the big picture - survival - but as the film reaches its emotional climax, she becomes focused on the worth of the individual. But it is too little, too late: Ava has already condemned her crew, the crew of the SM-8, and her own life in her desire to uphold the brutalist, single-minded values of the COI.
As a character, Captain Ava represents the Consolidation of Iron's hope for the future, a desperate fight for survival that defines humanity in the Iron Lung universe. Her position as a Towship Captain depends on her being able to provide for her people: safety, resources like food and air, and above all, hope. She uses the Convict Simon to justify her own actions in the face of fear of annihilation, because her assumed responsibility for the entire future of the human race leads her to destroy life carelessly, often to no tangible benefit. However, once she is forced into the same doomed position as the Convicts she sentenced to the SM dives, she chooses to sacrifice her own life. Captain Ava therefore ends her personal cycle of violence and destroys any hope of witnessing her big future for humanity, in order to give one person enough reason to fight for it.