Helicopters Boing/Sikorsky RAH-66 Commanche: RAH-66 Commanche - The Commanche has been a long time in a development, and it was great to see one for the first time. A very modern and stealthy looking helicopter. Type Boeing Sikorsky RAH-66 Commanche. Operator United States Army. Identity 95-0001. Location Farnborough International 1998, DRA Farnborough, United Kingdom ; Date 4 September 1998.