The Pakistan navy broke ground on the Jinnah Naval Base at Ormara in Baluchistan in 1994, and the base was inaugurated as Pakistan’s second naval base in 2000. [1] Subsequent expansion of the base has allowed it to take on increasing air defense responsibilities. [2]

Sources: 

[1] Government of Pakistan, "Pakistan Navy: A Silent Force to Reckon With," http://www.paknavy.gov.pk; “Jinnah Naval Base Completed At A Cost of 4.5 Billion Rupees Was Inaugurated Today," Dawn (Karachi), 22 June 2000, www.dawn.com.
[2] Robert Korniol, “Pakistan marine expansion linked to air defense,” Jane’s Defence Weekly, 1 March 2006, p. 16; in LexisNexis Academic Universe, www.lexisnexis.com.