The world's largest aircraft stayed in the air for a record 6 hours.

The world's largest aircraft Stratolaunch Roc, whose wingspan exceeds a football field, made another test flight. The aircraft rose to its maximum height (6860 meters) and spent a record 6 hours in the air. The Roc design consists of two side-by-side fuselages, six Boeing engines and unique triple wings with a span of 117 meters. Maximum takeoff weight - 590 tons. They have been working on the ship for more than 12 years. Initially, it was supposed to work to deliver rockets and satellites into the stratosphere, but now it is a carrier aircraft for hypersonic research vehicles.