The silver-haired Diaz-Canel -- a top Communist Party figure who has served as first vice president since 2013 -- is the island's first leader born after the 1959 revolution.
Diaz-Canel was elected in a landmark vote of the National Assembly a day before his 58th birthday. The chamber erupted into applause as the results were read out, with many of the delegates smiling, and shaking hands warmly with Castro and Diaz-Canel.
HE the prime minister and minister of interior praised the efforts of the Qatari inventors and their achievement in the international scientific forum, which brought together inventors from around the world.
The meeting discussed the developments of the Gulf crisis and enhancing the prospects of cooperation, as well as issues of common concern.
The agreement was signed by HE Commander of the Emiri Air Defense Forces, Brigadier General Hamad bin Mubarak Al Douai, and Raytheon Chairman and Chief Executive Officer, Dr. Tom Kennedy.
During the meeting, they reviewed relations of cooperation between the two countries and ways of developing them in various fields.