dm. Designated Marksman. military marksman role in a U.S. infantry squad. The DM's role is to supply rapid accurate fire on enemy targets at ranges up to 870 yds with a highly-accurate semi-automatic rifle equipped with a telescopic sight.he DM's role is to supply rapid accurate fire on enemy targets at ranges up to 870 yds with a highly-accurate semi-automatic rifle equipped with a telescopic sight.
The average person is awake for about 14 to 16 hours per day. Most could extend that to about 20 hours if they were to stay up later; up to 40 hours is easy once a person gets beyond the 24 hour mark; longer than 60 hours (staying awake straight through two nights and three days) is rare, but doable; the record is 264 hours or 11 days straight. Hannah Griffiths.
I need to stay awake for the next 36 hours what stimulant is best: I need to stay awake for the next 36 hours, what stimulant is best to keep me Okay, I recommend coffee. 2 Primatine Mist tablets will keep you up 24 hours.hat happens when you stay awake 24 hours: The best way to stay awake for 24 hours is to keep your mind awake and active, drinking energy. How many hours can you stay awake?