I can tell you that there are many excellent military knives available, each designed for specific purposes and preferences.
Some popular and well-regarded military knives include the Ka-Bar USMC Fighting Knife, the Ontario Knife Company (OKC) 499 Air Force Survival Knife, the Benchmade Griptilian, and the ESEE Izula II. These knives are known for their durability, functionality, and reliability in various tactical and survival situations.
Remember that the "best" military knife will depend on the intended use, personal preferences, and the specific needs of the user. When choosing a military knife, it's essential to consider factors such as the blade material, handle design, sheath, and intended use case.