*Deep Dive* As one of the largest aerospace and defence engineering businesses in the world, Rolls-Royce is a fan favourite in investing space. The business benefitted from tailwinds in the post-Covid aviation boom and upgraded its guidance, but investors are now left asking where is left to go. As part of our Deep Dive series, James Norrington looks at the British manufacturer and explains what investors need to know ahead of its full-year results tomorrow: *https://on.ft.com/41bV7IJ*