Business Insider recently traveled to Fort Sill, Oklahoma and saw US Army soldiers training on artillery. Our reporter witnessed soldiers firing the M777, a powerful howitzer that's been used in Ukraine, among other wars. AdvertisementA 155mm shell is loaded into the massive, almost 10,000-pound gun. AdvertisementUS Army soldiers fire the M777 howitzer at Fort Sill. Troy Mack, an artillery instructor at Fort Sill, said it's a "fun and exhilarating experience" to be able to shoot live rounds on the range.

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Persons: —, Jake Epstein, Troy Mack, it's, Steven Downey Organizations: US Army, Service, Russia, Army, US, Business, Staff Locations: Fort Sill , Oklahoma, Ukraine, British, Afghanistan, Russia, Fort Sill