The Camp Williams range area will again take on sights and sounds of a war zone this week as the Utah National Guard's 2nd Battalion, 222nd Field Artillery, fires its big guns.

Salt Lake, Utah and Davis county residents will likely hear the sound and feel the concussion of 155mm howitzer explosions late into the evening Thursday and Friday.Unique atmospheric conditions can amplify the noise and concussion of the guns on cooler days and at night. Firing will take place from 6 to 11:50 p.m. Thursday and 7 a.m. to 11:50 p.m. Friday.