***ISLAMABAD: Admiral Jonathan Greenert, US chief of naval operations, arrived in the federal capital city on Tuesday on an important visit aimed at enhancing professional cooperation between the navies of the two countries.*

Admiral Jonathan also held a meeting with Chief of Army Staff General Raheel Sharif at the army's General Headquarters (GHQ) in Rawalpindi, according to an Inter Services Public Relations spokesperson.

Admiral Jonathan held a meeting with Chief of Naval staff Admiral Asif Sandila at Naval Headquarters in Islamabad, a spokesman for Pakistan Navy told Dawn.

During the meetings both sides agreed to enhance professional cooperation between two navies.

The US official appreciated the role of Pakistan Navy in anti-piracy operation in gulf of Aden.

Earlier, the top Navy commander of the US also visited Karachi where he had addressed Navy cadets at Pakistan Navy Academy, PNS Rahbar in Manora.

He also inspected Pakistani submarine "Khalid" and ship PNS Alamgir, which is a guided-missile frigate and lauded the professional standards maintained by sailors and officers of Pakistan Navy.

The Pakistan Navy spokesman added Admiral Jonathan would also meet Prime Minister Nawaz Sharif and Defence Minister Khawaja Asif during his stay in Islamabad.