Live coverage: Delta 2 launches

A pair of Air Force surveillance satellites headed to geosynchronous orbit today to reconnoiter the high ground, departing Cape Canaveral aboard a United Launch Alliance Delta 4 rocket at 12:52 a.m. EDT (0452 GMT). It is the 375th Delta rocket flight since 1960.

SpaceX aims to launch a Falcon 9 rocket Monday from Vandenberg Air Force Base in California with 10 new satellites for Iridium’s tracking and message relay constellation in low Earth orbit.

The United Launch Alliance Delta 4 rocket has taken off tonight from Cape Canaveral, headed for space to deploy a satellite bought by allied nations to bolster the U.S. military global communications infrastructure.