When must all males register for the Selective Service?

所有男性必须在什么时候办理兵役登记？

youdao

When must all men register for the Selective Service?

所有男性到了哪个年龄必须注册“兵役登记”？

youdao

So if we were to see women register for selective service, you certainly would see a possibility not only of women being drafted but possibly even being drafted into the infantry in an attempt to be fair.

NPR: Women in Combat: Rules and Reality

All men between ages of 18 and 26 are already required to register for the draft with the Selective Service System.

CNN: Pelosi says no to draft legislation