Source: BBC
Nato's decision to release over 20 satellite images and associated maps of the Russian military build-up on Ukraine's eastern frontier is a signal of the concern among the alliance's commanders that a Russian military option against Ukraine is very much on the table, the BBC's diplomatic correspondent Jonathan Marcus reports.
The imagery issued by Nato's Supreme Headquarters Allied Powers Europe (Shape) reportedly dates from late March and early April. It encompasses five locations in an arc around Ukraine's frontier. Imagery from a sixth site was provided by Airbus Defence and Space.
At a number of other locations the massed vehicles of mechanised infantry or motor rifle brigades can be seen - not just tanks and infantry combat vehicles but artillery and the large number of supply trucks needed to keep a mechanised force on the move.
Read more: http://www.bbc.com/news/world-europe-26968312