It is theoretically possible to create a creature through genetic engineering whose metabolites can be used for military purposes. However, this approach involves complex scientific, ethical, and legal issues, so it faces many challenges and limitations in practice. ### Scientific feasibility 1. **Advances in genetic engineering technology**: Modern genetic engineering technology has been able to accurately edit the genome of organisms, such as through CRISPR-Cas9 technology. This allows scientists to design organisms with specific metabolic pathways to produce the required compounds. 2. **Metabolic engineering**: Through metabolic engineering, scientists can optimize or redesign the metabolic pathways of organisms to produce specific compounds. For example, certain microorganisms have been engineered to produce drugs, fuels, or other useful chemicals. 3. **Possibility of military applications**: In theory, organisms created through genetic engineering can produce compounds with military uses, such as toxins, explosive precursors, or other chemical substances. However, this application requires a high degree of technical expertise and precise control. ### Ethical and legal issues 1. **Biological Weapons Convention**: The 1972 Biological Weapons Convention prohibits the development, production and stockpiling of biological weapons. Any attempt to create organisms for military purposes through genetic engineering may violate this international treaty. 2. **Ethical issues**: The use of genetic engineering to create organisms for military purposes involves serious ethical issues, including potential threats to human and environmental safety. The abuse of this technology may lead to unforeseen consequences and even cause a biosafety crisis. 3. **Supervision and review**: Most countries have strict biosafety regulations and review mechanisms to prevent the abuse of genetic engineering technologies. Any genetic engineering research involving military purposes may be subject to strict supervision and review. ### Practical challenge 1. **Technical difficulty**: The design and construction of organisms that can stably produce specific compounds requires a high degree of technical expertise and resources. Even if it is successful under laboratory conditions, it may not be able to be applied on a large scale. 2. **Safety**: The use of genetically engineered organisms for military applications involves huge safety risks, including biological escape, accidental release, and uncontrollable ecological effects. 3. **Reaction of the international community**: Any attempt to create organisms for military purposes through genetic engineering may trigger a strong reaction from the international community, including diplomatic pressure and sanctions. ### Conclusion Although from a scientific point of view, it is possible to create a creature through genetic engineering whose metabolites can be used for military purposes, this approach faces serious ethical, legal, and practical challenges. The strict supervision and ethical constraints of biological weapons by the international community make this application extremely unlikely to be accepted or implemented. Therefore, despite the technical potential, this approach is undesirable in practice and may have serious consequences.