Tranche 5 just released, and what's interesting is that it really focuses on the alleged triangular UFOs we've all heard about for sometime now at least since the 1990s. In the files you have multiple individuals who have observed multiple similar triangular spacecraft. One person described seeing a craft that had, "car-sized white lights in each of it's three corners" with "no contrails left behind by the object". Another person described one that could "instantaneously accelerate inbetween...

Publication: US 2006/0145019 A1 * Title: Triangular Spacecraft * Inventor: John Quincy St. Clair * Filed: December 20, 2004 * Published: July 6, 2006