Current Projects aircraft, APR, art, blather, drawings, history, new products, news, projects, rockets, spacecraft Add comments Jun 292013 Alongside APR issue V3N3, I will also release an addendum. Hadn’t originally planned to, but I figure some of the drawings would do well if they could be printed off at 11X17 rather than just 8.5X11. Anonymous What do the ones with the pink “X” mean? Anonymous Think of them as “Sir Not Appearing In This Film.” Drawings created for this issue but ultimately rejected for inclusion, but to be kept for potential future use. Phil Looks like there’s a little X-20 and XB-70 stuff. And other interesting things (as always).