Watch the Falcon Heavy fire up its engines

Running a day late after aborting a rendezvous to resolve a navigation glitch, SpaceX’s Dragon cargo craft made a smooth final approach to the International Space Station on Thursday, floating in range of the research lab’s robot arm for capture to deliver 2.7 tons of supplies and research experiments.

The United Launch Alliance Atlas 5 rocket, standing 189 feet tall and and weighing 840,000 pounds, unleashes 1.2 million pounds of thrust from its main engine and one side-mounted booster at 7:05 p.m. EDT (2305 GMT) today to launch NASA’s OSIRIS-REx mission to Asteroid Bennu.

A replay of the United Launch Alliance Atlas 5 rocket launching the Navy’s Mobile User Objective System communications satellite No. 4 from Cape Canaveral, Florida.