The Joint Committee on the National Security Strategy (JCNSS) is one of the Joint committee of the Parliament of the United Kingdoms. It was formed to "monitor the implementation and development" of the United Kingdom Government's National Security Strategy". It was first established in the 2005-2010 Parliament, and was reappointed in December 2010 and December 2015. The committee comprises members from the House of Commons and members of the House of Lords.