Slingload Training While deployed to support the relief efforts following Hurricane Maria, the Combat Aviation Brigade conducted slingload certification training with a CH-47 Chinook helicopter and members of the 4th Sustainment Brigade in Ponce, Puerto Rico, Oct. 31, 2017. Army photo by Capt. Tyson Friar SHARE IMAGE: Download Image: Full Size (1.79 MB) Photo By: Capt. Tyson Friar VIRIN: 171031-A-PT541-003C.JPG Photo Gallery