Amphibious helicopter The HUP-2 was able to taxi forward or backward on water, regardless of wind direction. The CH-46 Sea Knight and its Canadian variant, the CH-113 Labrador, can land on water and rest for up to two hours in calm water. The rear sponsons hold two of the three landing gear units as well as self-sealing fuel tanks. The helicopter began service with the United States Marine Corps in 1962, and with the Canadian military in 1963, and is used to carry cargo and combat troops. The Boeing CH-47 Chinook was made sufficiently watertight to allow it to land on water
Chinook Point Chinook Point Chinook Point is a headland in Pacific County, Washington. Located just northwest of the mouth of the Columbia River, it is historically significant for several reasons. Captain Robert Gray, the first non-native to enter the river, saw it from Chinook Point in 1792. In 1805, it was the site of an encampment by the Lewis and Clark Expedition. It has been the site of military fortifications since 1864, most notably in the late 1890s, when most of the presently surviving Fort Columbia structures were built. The point, which constitutes the most developed portion of Fort Columbia State Park,