this turns out to be part of china s push to spread its military influence around the world. cnn s pentagon correspondent has an exclusive look at how the chinese apparently are helping a key u.s. ally, saudi arabia, develop ballistic missiles. reporter: a building arms race in the middle east with chinese fingerprints. these satellite images show the site in central saudi arabia where u.s. intelligence officials say riyadh is building its own ballistic missiles. unable to get u.s. help on developing the weapons the saudis turned to china. u.s. officials across multiple ag vice have been briefed on classified intel revealing multiple, large scale transfers of sensitive ballistic missile tech from beijing to riyadh two sources tell cnn. the used burn pit for rocket fuel a clue the saudis are at work. china s foreign ministry called the two countries comprehensive strategic partners telling cnn in a statement, such cooperation does not violate any