Considering that the next image in the video is the logo we've been using, I seriously doubt this is a replacement.
True, liftoff was already seen used everywhere so that’s most likely it. Just waiting for lift off is what the logo signifies
BTW The Rockets new city jersey is my avatar for now. If anyone is wondering what they look like thats it maybe not 100% correct its a digital mockup of the real thing. That logo in this post almost looks like what may be on the side of the shorts... the only photo I've seen of the shorts is too grainy to tell if it's a Rocket, graffiti style star, something in chineese, or now possibly this lol.
Whatever logo it's for, should've had the open end of the circle on the left completely close instead of making it look like a turned letter "e".