Dogfooding. The bit on helicopters is particularly brilliant: "The introduction of the helicopter was not greeted with any particular enthusiasm by the Air Fo

Dogfooding. The bit on helicopters is particularly brilliant: "The introduction of the helicopter was not greeted with any particular enthusiasm by the Air Forces, but the Land Forces were jubilant-here was a tank with a rotor instead of tracks, which need not fear minefields or rivers or mountains."