1. 
   NACTSO
   National Counter Terrorism Security Office
   Found op http://www.londonprepared.gov.uk/glossary/glossary_N.jsp
   
   
2. 
   NaCTSO
   National Counter Terrorism Security Office. A specialist police organisation co-located with the Security Service in the National Security Advice Centre (NSAC). NaCTSO co-ordinates a nationwide network of specialist police advisors known as Counter Terrorist Security Advisors (CTSAs) who can offer h...
   Found op https://www.mi5.gov.uk/output/glossary.html
   
   
3. 
   nactso
   1) National counter terrorism security office
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/nactso/1
   
   

Tip: double click on a word to show its meaning.