Kate Upton remains one of the more followed and intriguing Sports Illustrated swimsuit models of all time. She may not be featured on the cover of the latest issue of the SI Swimsuit Issue, but she has managed to find herself the subject of a special editorial. Dubbed “Zero Gravity,” Upton is lensed in a Boeing 727 where she achieves weightlessness using a technique usually reserved for NASA. Here are a few of our favorite images from the James Macari photo session. The 2014 Sports Illustrated Swimsuit Issue hit newsstands yesterday.