![Rainbow Six Siege on Twitter: "Get ready to take off with Operation Grim Sky and take a closer look at the new and improved Hereford Base. You can learn more about the Rainbow Six Siege on Twitter: "Get ready to take off with Operation Grim Sky and take a closer look at the new and improved Hereford Base. You can learn more about the](https://pbs.twimg.com/media/Dka9WklX4AAfRDG.jpg)
Rainbow Six Siege on Twitter: "Get ready to take off with Operation Grim Sky and take a closer look at the new and improved Hereford Base. You can learn more about the
![Rainbow Six Siege on Twitter: "Hereford Base has a new look. Check out some of the concept art that went into re-designing Hereford Base, and read about the rework in our blog: Rainbow Six Siege on Twitter: "Hereford Base has a new look. Check out some of the concept art that went into re-designing Hereford Base, and read about the rework in our blog:](https://pbs.twimg.com/media/DkVKmiYWwAAXBKz.jpg)
Rainbow Six Siege on Twitter: "Hereford Base has a new look. Check out some of the concept art that went into re-designing Hereford Base, and read about the rework in our blog:
![Rainbow Six Siege on Twitter: "Get ready to take off with Operation Grim Sky and take a closer look at the new and improved Hereford Base. You can learn more about the Rainbow Six Siege on Twitter: "Get ready to take off with Operation Grim Sky and take a closer look at the new and improved Hereford Base. You can learn more about the](https://pbs.twimg.com/media/Dka9X2iXgAAVXQh.jpg)
Rainbow Six Siege on Twitter: "Get ready to take off with Operation Grim Sky and take a closer look at the new and improved Hereford Base. You can learn more about the
![Rainbow Six Siege Hereford Base map: how to defend, how to attack, tips and tricks | Rock Paper Shotgun Rainbow Six Siege Hereford Base map: how to defend, how to attack, tips and tricks | Rock Paper Shotgun](https://assets.rockpapershotgun.com/images/2018/09/r6siege-hereford.jpg)