Free Republic

A retired Marine with nearly two decades of aviation experience has stepped forward with a compelling theory about a mysterious plane that was spotted flying over Texas last month. On March 10, photographers Steve Douglass and Dean Muskett took pictures of three puzzling aircraft flying over Amarillo, and posted them online in hopes of identifying the planes. Retired-Marine James Vineyard has submitted one of the more interesting explanations, telling the Houston Chronicle he believes they are SR-72 Blackbirds - a spy plane that can cross the U.S. in less than an hour, unmanned.

first time. Aviation Week & Space Technology journalist Bill Sweetman has posted photos taken March 10 by two veteran sky watchers, Steve Douglass and Dean Muskett. In his blog post of March 28, Sweetman writes that he and two Aviation Week editors agree that the photos depict "something real." In other words, these pictures aren't easily explained away by reports of known military flights or the work of someone who got carried away with Photoshop. So what can aviation experts say about the object in the photos? "The photos tell us more about what the mysterious stranger isn't than what...