Night-vision helmet system

[0001]FIG. 1 is a front perspective view of a night-vision helmet system showing a first embodiment of our new design;

[0002]FIG. 2 is a front view thereof;

[0003]FIG. 3 is a rear view thereof;

[0004]FIG. 4 is side view thereof;

[0005]FIG. 5 is a side view of the opposite side of FIG. 4;

[0006]FIG. 6 is a top view thereof; and,

[0007]FIG. 7 is a bottom view thereof.

[0008]The broken lines shown in the drawings illustrate portions of a night-vision helmet system that form no part of the claimed design.