April 3 Armenian delegation led by Secretary of the Security Council at the RA President, Acting Defense Minister Serge Sargsyan will depart for Brussels to participate in the NATO sitting within 26+1 format. RA Defense Minister's Spokesman, Colonel Seyran Shahsuvaryan told PanARMENIAN.Net that the discussions will focus on the Armenia-NATO IPAP implementation and the interim report on the progress achieved. Serge Sargsyan is expected to meet with NATO Secretary General Jaap de Hoop Scheffer, NATO Envoy for South Caucasus and Central Asia Robert Simmons and European Commissioner for External Relations and European Neighborhood Policy Benita-Ferrero Waldner. The delegation will return to Yerevan on April 5.