The SAS deal with US defence in part assists in avoiding space...

The SAS deal with US defence in part assists in avoiding space debris collisions
http://www.itwire.com/space/76901-s...-defence-agree-space-junk-avoidance-deal.html

There are a few comments attached to this video of the PSLV-C37 mission. re: space junk that may be of interest. (see Jamie Goodman's comment.) Note we are due to launch on PSLV-C38.
https://spaceflightnow.com/2017/02/...ar-video-of-104-satellites-deployed-in-space/ The footage around 3:50 shows nano satellites being released perhaps similar to ours.

I've read a few comments from Meir re: space debris which suggested that they have an environmental policy that seeks to minimise and reduce their environmental impact however I haven't had time to research it right now and link to it....if others are aware of it it might be worth a post.