Rescue was released in 2011. The film is still exhibited by select IMAX theaters and other giant screen theaters. Check your local theater for availability, dates and times.
The film is also available on Blu-ray and Blu-ray 3D from leading local and online retailers. Here are some examples:
amazon.com
blu-ray.com
walmart.com
walmart.ca
archambault.ca
(Links and availability from specific retailers subject to change).