Business SpaceX launches Falcon Heavy rocket with 24 satellites Updated : June 25, 2019 02:06 PM IST The craft blasted off to cheers from onlookers at 2:30 am after a three-hour delay from the original launch time late Monday. The mission, dubbed Space Test Program 2 (STP-2), is the third for the Falcon Heavy rocket, which SpaceX describes as the most powerful launch system in the world. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.