Saudi Arabiainfo-icon's King Salman has fired the kingdom's military chief of staff and several other high ranking military officers.

Citing several royal decrees, the official Saudi Press Agency (SPA) announced "the termination of the services of General Abdul Rahman bin Saleh al-Bunyan, Chief of Staff" on Monday night.

It added that Fayyad al-Ruwaili will be appointed as the new chief of staff.

The director of the kingdom's ground forces and air defenses were also replaced.   

No official reason was given for the move, but they come as the kingdom's warinfo-icon against Yemeninfo-icon nears the end of its third year.

Salman has appointed First Lieutenant General Fayyad bin Hamed al-Ruwayli as his new chief of staff, and put new leaders in charge of the country's air force and ground troops.

The king also appointed several new deputy ministers, one of whom was a woman -- a very rare move in the patriarchal kingdom. Tamadur bint Youssef al-Ramah will now serve as deputy minister of labor. The country first appointed a female deputy minister in 2009.