| 1 | Hovering briefly over the photographer, feet tucked up beneath its belly, a frigatebird comes in for a landing on Rawaki. | |
| 2 | "A hummingbird can hover like a helicopter for one and a half hours, nonstop," Dr. Tobalske said. | |
| 3 | But as the pilot passed over the compound pulled into a high hover and began lowering the aircraft he felt the Black Hawk getting away from him. | |
| 4 | This backpack-sized small unmanned air vehicle can hover and "stare, " gathering battlefield information in support of small unit (down to platoon) operations. | |
| 5 | The tests, conducted on a specially instrumented "hover pit, " also validated the performance of aircraft software, controls, thermal management, STOVL-system hardware and other systems. |