Triple-Engine, Dual-Helm (TEDH) DTS Helm Architecture 19 19 4 4 18 18 3 17 17 16 16 15 15 X 14 21 14 13 13 6 12 12 5 11 2 11 23 8 11 X 7 21 5 20 10 10 9 21 22 X H 1 Page 6B-8.1 90-8M0161677 71181