Yep. Here's a photo from inside the LOX tank during a previous flight: http://i.szoter.com/741dc2bcf5762a48.jpg http://i.szoter.com/741dc2bcf5762a48.jpg The

Yep. Here's a photo from inside the LOX tank during a previous flight: http://i.szoter.com/741dc2bcf5762a48.jpg http://i.szoter.com/741dc2bcf5762a48.jpg The two arrows point to the struts holding down a helium tank.