Ryan L Kobrick, PhD (@RyInSpace) / X

X에서 Ryan L Kobrick, PhD 님 : Last launch of humans to space from USA soil was 5 years ago today #STS135. We are all looking forward to the next! /

Ryan Kobrick

Ryan L Kobrick, PhD (@RyInSpace) / X

Ryan L Kobrick, PhD on X: Some of @SpaceFlorida team w/ #SES8's @SpaceX Falcon 9 v1.1. It can roll 360 on cradle! We touched it's rocket belly. / X

Ryan L Kobrick, PhD (@RyInSpace) / X

Ryan Kobrick

Ryan L Kobrick, PhD on X: Excited to participate in watching history with family and friends of the @inspiration4x crew! Launch is tomorrow night 9/15 8:02pm EDT. Watch 4 amazing episodes on @

Ryan L Kobrick, PhD (@RyInSpace) / X

Ryan L Kobrick, PhD on X: Danger, Upward Ejection Seat. Starfighters needs an alternative sticker: Danger, non-pilot at helm of F-104 jet! / X

Ryan L Kobrick, PhD (@RyInSpace) / X