Russia planning massive military offensive against Ukraine involving 175000 troops, U.S. intelligence warns The Washington PostRussian troops reported at the Ukraine border heighten tensions between the two nations CBS NewsPutin Troop Buildup Near Ukraine Raises Concerns of Potential 2022 Invasion, U.S. Officials Say The Wall Street JournalRussia positions more forces, supply lines as fears rise of potential Ukraine invasion CNNRussia is said to be planning a massive military offensive against Ukraine involving 175,000 troops, U.S.