This week marks 22 years since the deadliest terrorist attack occurred on U.S. soil. Retired Maj. Gen. William Enyart says the U.S. military doesn't know if it's prepared to defend the country against another terrorist attack with current improved military technology. #Remembering911 #GroundZero #NewYork Get a fast-paced look at the latest from the border to Main Street to the White House on "NewsNation Live with Marni Hughes." Weekdays starting at 10a/9C.#NewsNationLive NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij