Black Brant XII was launched to study noctilucent cloud(earth's highest clouds)
pcjce
says
cool..di n pla cirrus ang highest..
old school
old school
Andrew_Ryan
says
Yes and they found out na etong cloud na 'to ay di na visible sa naked eye haha nasa mesosphere kasi sya
pcjce
says
wow..
ay ganun? 
Andrew_Ryan
says
Black Brant XII is a suborbital rocket