This gallery is from a television show that tries to bust popular myths. In this episode, the theory of soldiers marching across a bridge in cadence can cause a bridge failure is put to the test.
You'll see the Kinetrol vane actuators were used in a very unique way. Kinetrol actuators were selected because they could be precisely controlled, so that all the "feet" would march in unison.
To see the video in its entirety, visit this link
Click on the thumbnail image for larger view.