In sports, there is an expectation of fair competition which is violated when someone is using any kind assistance, one type of which are performance enhancing drugs.
In military, on the other hand, there is no expectation of a fair competition, and exploiting any unfair advantage over the opponent is actively desired. There a genuine need to get things done, and the only concern is the impact on health - militaries have historically used all kinds of performance enhancing drugs, e.g. amphetamines as 'go pills' for USA Cold war pilots, Pervitin in WW2, etc.
In sports, there is an expectation of fair competition which is violated when someone is using any kind assistance, one type of which are performance enhancing drugs.
In military, on the other hand, there is no expectation of a fair competition, and exploiting any unfair advantage over the opponent is actively desired. There a genuine need to get things done, and the only concern is the impact on health - militaries have historically used all kinds of performance enhancing drugs, e.g. amphetamines as 'go pills' for USA Cold war pilots, Pervitin in WW2, etc.