Dear CESG Members, The closure date for the following poll is 24 May 2013: - CESG-P-2013-05-001 Approval to publish CCSDS 508.0-B-1, Conjunction Data Message (Blue Book, Issue 1) This poll can be accessed via the following link: http://public.ccsds.org/sites/cwe/cesg/Polls/default.aspx