'A period of guard duty; in the Navy one may be 4 or 8 hours long'
Watch
MILITARY POWER: A period of guard duty; in the Navy one may be 4 or 8 hours long
A period of guard duty; in the Navy one may be 4 or 8 hours long
A period of guard duty; in the Navy one may be 4 or 8 hours long
MILITARY POWER
Watch
MILITARY POWER