NEW YORK, Dec 10 —The US military’s secretive X-37B spaceplane which was poised for launch on Sunday on the robot craft’s seventh mission to orbit atop a SpaceX Falcon Heavy rocket has been delayed to tomorrow, SpaceX said today.

"SpaceX is targeting Monday, December 11 at 8:14 p.m. ET for Falcon Heavy’s launch of the USSF-52 mission to orbit from Nasa’s Kennedy Space Centre in Florida,” the rocket manufacturing company said in a statement. — Reuters