Saudi Arabia, the United Arab Emirates, Bahrain and Egypt cut diplomatic, trade and transport ties with Qatar last June, accusing it of supporting terrorism. Doha denies that charge and says the boycott is an attempt to impinge on its sovereignty.
The United States, which has military bases in both Qatar and some of the countries lined up against it, is trying to mediate the feud. Washington said in October it was scaling back involvement in some joint military drills in the region following the rift.
But a senior US administration official told reporters last month that the countries had agreed to resume participation in military exercises, without providing any details.
Qatari Armed Forces Chief of Staff General Ghanem bin Shaheen Al Ghanim was present on Monday at a closing ceremony, attended by Saudi King Salman and other heads of state, for the Gulf Shield drills, the Qatari Armed Forces said in a statement.
There was no immediate comment from the Saudi government media office.
The Qatari military statement did not provide details about the size of the Qatari contingent that took part in the Gulf Shield exercises which ran from March 21 to April 16.
An official from one of the 23 participating countries said Qatar sent one ship with nine officers to join the drills, and had seven other officers observing.
President Donald Trump publicly sided with the Saudis and Emiratis early in the crisis but is now pushing for a resolution to restore Gulf unity and maintain a united front against Iran.
(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)
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