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BEIJING, April 24 -- Chinese President Xi Jinpingencouraged the country's aerospace scientists and engineers to usher in a new chapter in aerospace development on Sunday, the first China Space Day.

In an instruction to the occasion, Xi asked space scientists and engineers to "seize the strategic opportunity and keep innovating to make a greater contribution to the country's overall growth and the welfare of mankind."

He also saluted all those who have contributed to China's aerospace development during the past six decades.

"Becoming an aerospace power has always been a dream we've been striving for," Xi said.

The space day was designated to mark the launch of China's first satellite on April 24, 1970.

"In establishing the China Space Day, we are commemorating history, passing on the spirit, and galvanizing popular enthusiasm for science, exploration of the unknown and innovation, particularly among young people," Xi said.

In a separate instruction, Premier Li Keqiangalso called for advancement of space science and technology and their practical application.

He also said he wants China's aerospace agencies to foster more innovative talents.