sentences:  Thereafter the focus moves then to the two great periods of helicopter military lifesaving, the Korean War and Vietnam, where the helicopter truly went to war and heroes were made, in the Bell 47, Bell Huey family, and Boeing CH-47 Chinook.The calm recollections of several very decorated veterans of the conflict make for compelling viewing, combined with previously unseen film footage of the conflict.For the 1980s, Frank D. Robinson demonstrates that a helicopter such as his remarkable Robinson R22 represent the pinnacle of point-to-point transport in a small helicopter, and the Bell XV-15 is demonstrated as the true pinnacle of the Helicopter.