Russia is in the process of equipping its new nuclear submarines with hypersonic Zircon missiles, according to the head of Russia's largest shipbuilder. Retired Gen. Phillip Breedlove warns, “This is a big problem” as any missile from a submarine would be a problem for the U.S., due to the nation’s large coastline. Watch #MorningInAmerica: newsnationnow.com/joinus #Russia #hypersonicmissiles #submarines Start your day with "Morning in America," NewsNation's live three-hour national morning newscast hosted by Adrienne Bankert. Weekdays starting at 7a/6C. #MorningInAmerica 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