The paramilitary forces of Pakistan consist of various organizations constitutionally charged with safeguarding Pakistan from external and internal threats as well as maintaining internal law and order. Their current strength is approximately over 420,000 personnel.
The paramilitary forces can be divided into three categories, performing three distinct roles: Firstly the armed security forces (the Rangers and Frontier Corps), secondly a reserve force (the National Guard), and thirdly the Maritime Security Agency.
Pakistan Rangers: The Rangers are headquartered in Lahore, Punjab and in Karachi, Sindh. This force has a border security role on the international borders of Punjab and Sindh and perform internal security duties as an extension of the Army. This force is organised on a provincial level but are subordinate to the Ministry of the Interior and are commanded by seconded army generals.
Mehran Force: The Mehran Force, based in the Sindh province, performed the same function as the Punjab-based Rangers. The Mehran Force became the Pakistan Rangers (Sindh) in 1995. It was a force of 25,000 men divided into "wings" of approximately 800 men each.
Maritime Security Agency: The 2,500-strong Maritime Security Agency, headquartered in Karachi, is a coast guard and is responsible for patrolling Pakistan's territorial waters. The MSA is equipped with a former Pakistan Navy destroyer, two coastal patrol craft and four oceanic patrol craft.