Green Beret Helocast A Green Beret soldier assigned to 1st Special Forces Group (Airborne) helocasts into American Lake from a CH-47 Chinook helicopter at Joint Base Lewis-McChord, Wash., June 30, 2020. A helocast is an airborne technique that allows special operation forces to insert into an area by jumping directly from a helicopter into water. SHARE IMAGE: Download Image: Full Size (9.82 MB) Photo By: Army Staff Sgt. Ryan Hohman VIRIN: 200630-A-YO011-100.JPG Photo Gallery