Itanagar: Lt Gen Abhijit S Pendharkar, GOC of 3 Corps, Saturday flagged off a national integration tour from Arunachal's Likabali military station in Lower Siang. Twenty pilgrims have undertaken the journey from Tuting in Upper Siang to Tawang, reports Joken Ete. Organised by the Spear Corps under Operation Sadbhavna, the religious and pilgrimage tour aims to promote unity, harmony and national integration.