Colonel Weber
Colonel Weber is a figure who symbolises the collision point between military tension and scientific inquiry in the process of contact with alien civilisation. Initially leading the assessment of immediate threat and wariness toward the alien life forms, through cooperation with Louise Banks he comes to realise that 'communication' must take precedence over 'force' for the survival of the human race.
The Clash Between a Military Perspective and a Linguistic Approach
Colonel Weber is, from the film's opening, the symbol of military authority overseeing the alien contact. He becomes deeply involved in the process of linguist Louise Banks attempting to communicate with alien civilisation, interpreting every development through the military lens of 'threat' and 'information.' The Colonel operates under strong time pressure and the imperative to complete his mission — including orders from superiors to extract information about the alien civilisation as quickly as possible. His primary mission was to determine whether the alien civilisation had come for violent interaction.
The Pressure of Initial Contact: The Word 'Weapon'
Colonel Weber's most prominent characteristic is his emphasis on 'speed' and 'results.' Even as he watches Louise confirm that the aliens possess language (and thus communication is possible), he finds it hard to endure the slow pace of scientific inquiry when humanity's survival hangs in the balance. This pressure is most starkly revealed in the climax. The Colonel strongly pressures Louise to transmit the word 'weapon' to the aliens. This represents the military instinct to interpret humanity's contact with the aliens through the single, threatening frame of 'weapon provision.'
Cooperation and Acceptance: The Need for a Slow Process
Initially sceptical of Louise's approach, the Colonel gradually shifts his attitude as Louise — through communion with the aliens — begins to repeatedly see the future and learn the purpose of the aliens' visit to Earth. He ultimately agrees with Louise's argument that she must actively teach human language and script to the aliens. This means he has moved beyond the single interpretation of 'force' to acknowledge the complex and slow process of 'language' as the way to build a relationship with the aliens.
Interpreting Colonel Weber's Character Arc
Colonel Weber, beyond simply being a soldier character, represents the 'anxiety' and 'desire for control' that humanity inevitably experiences when confronting an unknown entity. His character arc can be interpreted as follows:
- Initial Stage (Anxiety and Control): He views everything through the lens of military orders and threat. The aliens are perceived only as 'enemies' or 'resources.' At this stage he pressures Louise to transmit the word 'weapon' to the aliens, attempting to define the aliens' intentions in the simplest, most dangerous form.
- Middle Stage (Observation and Learning): As he witnesses the aliens learning human language and script through contact with Louise, he gradually comes to recognise the value of 'knowledge' and 'communication.' He no longer views the aliens solely as an unconditional threat.
- Final Stage (Acceptance): Even if he cannot directly understand the non-linearity of time, he accepts that Louise's scientific and linguistic approach is essential for humanity's survival. This is the point where it is shown that humanistic depth can exert a greater force than military efficiency.
Why It Matters
Colonel Weber plays the role of bringing the philosophical questions about 'communication' and 'time' — the film's core themes — down into a realistic conflict structure. If he had remained merely a character who only emphasised 'threat,' the film would have lost the room for scientific inquiry and remained a simple SF thriller. His existence makes audiences ask: 'What is the first question we must ask?' — namely, that contact with alien civilisation must begin not through weapons or military response, but through linguistic and anthropological 'dialogue.' He is the device that most powerfully supports the film's fundamental message.
Other Character dives4
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General Shang
General Shang is a figure symbolising national anxiety and distrust in the process of contact with alien civilisation. The decisions of the PLA he commands — based on the mistranslated message that the aliens are 'offering weapons' — become the decisive trigger for exploding global conflict and cutting communications between twelve nations. He dramatically shows the danger of the collective fear and nationalistic response humanity experiences before an unknown entity.
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Louise Banks
Louise Banks is far more than a simple linguist — she is the figure who confronts the shocking truth, through contact with alien civilisation, that humanity's very concept of time may be an error. Her journey is the process of exploring the relationship between language and modes of thought, ultimately posing a philosophical question about humanity's destiny by understanding the non-linear concept of time in which past, present, and future coexist simultaneously.
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Ian Donnelly
Ian Donnelly is not a simple scientist but a theoretical physicist responsible for the film's philosophical depth. Through contact with alien civilisation, he poses a fundamental question about the concept of 'the linearity of time' itself — long taken for granted by humanity. Adding a physical perspective to Louise's linguistic interpretation, he builds the core setting that the aliens' mode of thought follows the non-linear concept of time in which past, present, and future coexist simultaneously.

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Arrival
14 deep dives in total