Apaches Helicopters (tank hunters) - I know someone who flew these.
An Apache helicopter from 4 Regiment, 656 Squadron Army Air Corps, during live firing training at Otterburn Ranges in Northumberland.
Peek-a-boo! by Rickard Gillberg
Boeing CH-47 Chinooks carrying military vehicles.
AH 64 Apache doing a flip, which is no easy task for a helicopter. When they are flying normally the blades bend skyward, well upside the blades are still facing skyward. So it just chops its own rear end off and spins out.
MH-6 Littlebird US Army 160th SOAR by Nick__Thomas
AH-64 Apache attack helicopter
Kamov Ka-50 Black Shark
Boeing AH-6 ARH light attack & special forces helicopter.