Super Heavy Booster V3 Grid Fins used for catch.kiwithinker (64)in STEMGeeks • 3 days ago ▶️ Watch on 3Speak Did anyone else notice this about the new Super Heavy Booster V3 Grid Fins? "They're also going to get used for vehicle LIFT and CATCH" ▶️ 3Speak #space #spacex #booster #gridfins