ROCHESTER - Rejean Tremblay, a contract videographer for Oblique FX Film Production Company from Montreal, Canada takes painstakingly accurate laser scans of one of Detachment 1, Company B, 126th Aviation's CH-47D Chinook helicopters. The film crew was in Rochester to get 3D imagery of a Chinook to be used in an upcoming IMAX film entitled Search and Rescue to be shown later this year.