Take a look at five of the most influential technological developments to come out of the Vietnam War.

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The guerilla warfare tactics of the North Vietnamese required U.S. military leaders to modify their combat strategy during the Vietnam War.

Whether they volunteered or were drafted, 1 out of 10 soldiers were injured or killed during Vietnam.

As permanent U.S. representative to the United Nations, Adlai Stevenson is interviewed in early 1965 about his view on the developing situation in Vietnam.

US plane spraying Vietnam landscape with tainted herbicide/defoliant Agent Orange during the war. (Credit: Dick Swanson/The LIFE Images Collection/Getty Images)

On April 28, 1967, Gen. William Westmoreland, commander of U.S. operations in Vietnam, describes to a joint session of Congress the challenges of fighting a relentless enemy.

In this clip from Ask Steve, the reason for the continuation of the unpopular Vietnam War is discussed. The question of why the war continued for five years after the public turned against it in 1968 is under review. President Nixon's silent majority speech strayed attention from the war by exploiting the division in the peace movement.