Piasecki HRP-1 Rescuer Prototype Frame in Flight 

CH-46A Sea Knight Manufacturing at Boeing Vertol 

CH-47A Chinook Helicopter on Ground 

Boeing Vertol 107 in Marine Corps Livery, a CH-46 Sea Knight, first designated as the HRB-1 

Vertol 107 Helicopter at Wall Street Heliport 

US Army HC-1B Chinook, Later Known as the CH-47 

US Army HC-1B Chinook, Later Known as the CH-47 

A Radioplane RP-77D, Unmanned Target Drone, is Released from a Zero-Length Launcher 

HC-1B (CH-47) Chinook on Tarmac With C-133A Cargomaster Transport Aircraft 

Marines with CH-46A Sea Knight Helicopter 

CH-47A Chinook Helicopter Loads a XM-571 APC at Fort Bragg, NC 

CH-47A Chinook Helicopter in Flight over 707 and 727-100 

CH-46C Sea Knight in US Army Livery

HC-1B (CH-47) Chinook Helicopter at the Pentagon Heliport 

CH-46A Sea Knight Landing on Aircraft Carrier 

Two HC-1B (CH-47) Chinook Helicopters Equipped with Nose Probes 

CH-47A Chinook Helicopter in Flight 

CH-47A Chinook Loads Flood Relief Supplies 

Vertol 76 (VZ-2) Experimental Tilt Rotor Aircraft 

Vertol 107, CH-46 Chinook Prototype, Undergoing Rotor De-Icing Test 

Vertol 107 Helicopter Hovering Over Wall Street Heliport 

Vertol 107 Helicopter at Wall Street Heliport 

Boeing Vertol 107 Flying Over Lower Manhattan 

US Army HC-1B Chinook, Later Known as the CH-47, in Flight 

Vertol 44 Helicopter in Flight over Manhattan