Photos: Delta 4-Heavy launch as seen from press site

Rocket Lab canceled a launch attempt Wednesday in New Zealand to evaluate unexpected sensor data, postponing a mission that will deliver 10 small commercial Earth-imaging satellites to orbit.

The U.S. Space Force expects to complete design validation on SpaceX’s Falcon Heavy rocket by July, ahead of the launch of the military’s first high-priority national security mission on the heavy-lifter late this year.

An upgraded, cyber-hardened $1 billion satellite to support the U.S. military’s missile defense systems rode into orbit from Cape Canaveral Tuesday at the tip of a United Launch Alliance Atlas 5 rocket.