This phase aimed to uncover the range of trends likely to have consequences for the EUâs landscape. It involved an extensive review of available literature and documentation, complemented by an analysis of available data.
Vote for this answer. HALO and HAHO are acronyms that describe methods of delivering personnel, equipment, and supplies from a transport aircraft at a high altitude via free-fall parachute insertion. HALO stands for High Altitude-Low Opening, and is also known as Military Free Fall (MFF). HAHO stands for High Altitude-High Opening.
Circular halo. Among the best-known halos is the 22Â° halo, often just called halo, which appears as a large ring around the Sun or Moon with a radius of about 22Â° (roughly the width of an outstretched hand at arm's length).