Whirlybirds S01E14 - Operation Blue Hen

Chuck and P.T. agree to deliver a solid fuel bomb into a canyon, where it will be tested. But there are complications. Chuck soon discovers that the scientist involved with the testing, David Davis, is an old rival: Davis is married to the lady who was once Chuck's fiancé! Chuck must come to terms with both the complexities of the mission and the pain of facing his ex-betrothed.