![Flares and tracer rounds illuminate the night sky during a combined arms live fire Exercise (CALFEX) - NARA & DVIDS Public Domain Archive Public Domain Search Flares and tracer rounds illuminate the night sky during a combined arms live fire Exercise (CALFEX) - NARA & DVIDS Public Domain Archive Public Domain Search](https://cdn10.picryl.com/photo/1987/02/16/flares-and-tracer-rounds-illuminate-the-night-sky-during-a-combined-arms-live-1a56a4-1024.jpg)
Flares and tracer rounds illuminate the night sky during a combined arms live fire Exercise (CALFEX) - NARA & DVIDS Public Domain Archive Public Domain Search
![Night firing of Machine Gun Tracer Fire Fort Ord circa 1942 Photograph by Monterey County Historical Society - Pixels Night firing of Machine Gun Tracer Fire Fort Ord circa 1942 Photograph by Monterey County Historical Society - Pixels](https://images.fineartamerica.com/images/artworkimages/mediumlarge/1/-night-firing-of-machine-gun-tracer-fire-fort-ord-circa-1942-california-views-mr-pat-hathaway-archives.jpg)
Night firing of Machine Gun Tracer Fire Fort Ord circa 1942 Photograph by Monterey County Historical Society - Pixels
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