Only as "individuals", not prisoners of war, and then only minimal protections. Individuals may be sentenced by a "regularly constituted court", and that is interpreted by the executive as military tribunals and treaty law is superior to the Constitution and courts.
There we go. Those are still minimal protections that were being violated in Guantanamo Bay. (That provision requires such legal mechdanisms as are required in civilized jurisprudence. Due Process is certainly included in that list.)