Stories about: Global Hawk  

The aircraft is being developed at Northrop for the US Navy

The Air Force currently operates 32 of these advanced aircraft

The airborne science campaign went on flawlessly, the team says

The research was led by scientists at the American space agency

The project seeks to investigate Earth's upper atmosphere in detail

The UAS will investigate the atmosphere over the western parts of the ocean

The drone collected a series of data on the Canadian Arctic

The aircraft has to meet very rigorous operational requirements

The flights led to some interesting conclusions, researchers say

An advanced procurement contract has already been signed

The image was officially released by the American space agency

Scientists say that it could develop into a tropical storm

The effort will use both of the agency's special UAV

The flights will be a part of a large-scale study conducted by NASA

The agency plans to conduct this research as a multi-year study

The unmanned aircraft was built by the Northrop Grumman Corporation