an air-to-air missile accidentally launched over eston estonia. a search is under way to find the missile, which is believed to have landed perhaps 25 miles north of tartu. the spanish fighter jet accidentally fired it during a policing mission. the foreign minister called the incident extremely regrettable and also called the nato air mission over the baltic country necessary to estonia's national security. china says it successfully tested its first hypersonic aircraft. it's a big first step forward in aerospace technology that could intensify pressure on the u.s. military. the waverider uses shock waves in the air generated by its own flight to soar faster than five times the speed of sound. experts say it can carry nuclear