Blackhawk. Not sure of the exact model. But this is what he works on, Civi side. ;-)
U.S. Army staff sergeants Neil Nunez and Justin Puchalsky, from Company A, 2nd Battalion 28th Infantry Regiment, Task force 3-66, watch the arrival of a helicopter in Afghanistan U.S. Army Photo By Staff Sgt. Charles Crail, Task Force Blackhawk Public Affairs
Have co-workers that fly both black hawk helicopters and apache Helicopters, pray for their safe return
Blackhawk My favorite sound in the world, don't know why but I love the sound.