After years of cost overruns and criticism, the US military has started to deploy its stealth-enabled F-35 fighter jet. To communicate that message in no uncertain terms, the Air Force's 388th and 419th Fighter Wings carried out combat exercises meant to test the capabilities of their F-35As. The drill started off with an "Elephant Walk" that placed 36 of the jets (one is missing in this photo) on the runway all at once, worth $3 billion, at least at the current $90 million per airplane price. Apart from creating an intimidating photo, the Air Force wanted to confirm its ability...