Answer:
I cover what's real; hide what is true, but sometimes bring out the courage in you. What am I?
I save lives on the ground and in the air
Although glory but not at my best. Power will fall to me when the man who made me dies.
I think you live beneath a roof that is upheld by me; I think you seldom walk abroad but my fair form you see; I close you in on every side you very dwelling pave and probably I'll go with you At last into the grave.
To you, rude would I never be, though I flag my tongue for all to see. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?