Photos released by NATO today show destabilizing Russia troops near Ukraine border
http://www.aco.nato.int/imagery-reveals-destabilizing-russian-forces-near-ukraine-border-nato-plans-balanced-response-to-reassure-allies.aspx
(the site is down at the moment)
The Russian troops have increased their readiness and are awaiting order to go into Ukraine.
Combat readiness test in Belarus http://vsr.mil.by/2014/04/10/batalon-na-marshe/
Here are some of the images released by Shape. They were collected by the Digital Globe satellite ‘Constellation’ between late March and early April 2014. The images are unclassified and are commercially available in Digital Globe’s public archive.
http://www.bbc.com/news/world-europe-26968312