Note: Map published first on May 2, 2014 by Washington Post

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Jul 30, 2014:
- Russia Has 15,000 Crack Troops on the Ukrainian Border – And Putin’s itching for a fight. – Foreign Policy
Mar 19, 2015:
- Russia Expands Military Exercises To 80,000 Troops – Defense News
Sep 1, 2016:
Sep 13, 2017:
Dec 15, 2018:
- Ukraine Asserts Major Russian Military Buildup on Eastern Border – New York Times
Jun 12, 2019:
- EXCLUSIVE: US Intelligence Officials and Satellite Photos Detail Russian Military Buildup on Crimea – Defense One
Jul 17, 2020:
Apr 2, 2021:
Jan 27, 2022:
- How Russia Has Increased Its Military Buildup Around Ukraine – New York Times