Duties-include weighing your actions against the constitutional provisions that are the bedrock of those duties.
Lawful orders, no?
We all must apply reason and pridence to every directive or order we are given. Otherwise, we are just a mindless minion.
The military takes a dim view of soldiers who decide for themselves what orders are lawful and what are not. Ask Michael New, Ehren Watada, Mathis Chiroux, Suzanne Swift, and all the other's who have tried. The best results in all these cases were less than honorable discharges. Worst results were court martials.