The use of gene editing technology to enhance the aggressiveness of animals and use them for military purposes involves a series of complex ethical, legal, and scientific issues. The following is a multi-angle analysis of this issue： ### Scientific feasibility 1. **Gene editing technology**: Gene editing technologies such as CRISPR-Cas9 have shown great potential in modifying biological genes. In theory, scientists can change animal behavior by editing genes related to aggressiveness. 2. **Complexity and uncertainty**: Aggressiveness is the result of the combination of multiple genes and environmental factors. Editing a single or multiple genes may not be able to accurately control animal behavior. In addition, gene editing may bring unforeseen side effects that affect the health and well-being of animals. ### Ethical issues 1. **Animal welfare**: Enhancing the aggressiveness of animals may have a negative impact on their physical and mental health, which conflicts with the basic principles of animal welfare. 2. **Humanitarianism**: The use of animals as weapons or tools, especially in military conflicts, may be regarded as inhumane behavior, which violates the basic ethical norms of the international community for war behavior. ### Laws and Policies 1. **International law**: According to the Biological Weapons Convention, the development and deployment of biological weapons (including genetically edited animals) is prohibited. Any attempt to use gene editing technology for military purposes may violate international law. 2. **Domestic regulations**: Many countries have strict regulations and ethical review mechanisms that restrict the application of gene editing technologies, especially when animal and military uses are involved. ### Safety and Risk 1. **Uncontrollability**: Animals that increase aggressiveness may be difficult to control and may even pose a threat to themselves or civilians. 2. **Ecological risks**: The release of genetically edited animals may have unpredictable effects on the ecosystem, leading to the destruction of biodiversity. ### Conclusion From the perspective of science, ethics, law, and safety, the use of gene editing technology to enhance the aggressiveness of animals and for military purposes is extremely controversial and risky. The international community generally opposes the use of biotechnology for military purposes, especially when animals and biological weapons are involved. Therefore, this approach is not only unethical, but may also have serious legal and ecological consequences. We should be committed to the peaceful use of gene editing technology and promote its active application in fields such as medicine, agriculture, and environmental protection, rather than using it for military purposes.