Astheboosterapproachedthelaunchpad, itslowedto a nearhoveranddid a horizontalslidemaneuverbeforebeingcaughtbytwomassivechopstickarmsonthelaunchtower, dubbedMechazilla.
SpaceX's successfulcatchofitsStarshipboosterwas a majorachievementforthecompanyandanengineeringfeatthatshowedhowSpaceXispushingtheenvelopeonrockettechnology.
Lastyear, RocketLabUSAusedanenginethathadflownbeforeon a flightofitsElectronrocketandisworkingon a newvehiclecalledNeutronwith a boosterthatitcoulduseagain.