individuals with psychopathy or sociopathy (antisocial personality disorder) are generally disqualified from joining the military in many countries, including the United States. Both conditions involve a lack of empathy, a disregard for rules and authority, and a history of impulsive and potentially harmful behaviors, which can be seen as incompatible with the military's values and requirements.
The military has strict entry criteria and standards to ensure that service members can work effectively as part of a team, follow orders, and maintain discipline. Mental health screenings are an essential part of the enlistment process to identify any potential issues that could interfere with a person's ability to serve.
Individuals with a history of antisocial behavior, including psychopathy or sociopathy, are typically considered unsuitable for military service. Such conditions may pose a risk to others and could be exacerbated by the high-stress and demanding environment of military life.
It's important to note that each country's military has its own specific guidelines and criteria for enlistment, so it's best to check with the relevant military authorities for the most up-to-date and accurate information on their enlistment requirements regarding psychopathy or sociopathy. However, it is generally understood that serious personality disorders, such as psychopathy or sociopathy, would be grounds for disqualification from military service in most cases.