Source: PAX River Naval Air Museum Blog
"by Bob Tourville
The idea of placing air surveillance radars in aircraft dates from the earliest days of World War II, when the limitations of ground-based radar technology became evident. Exploiting the advantages of altitude, and positioned many miles from the land they defended, the first aircraft equipped with powerful air surveillance radars arrived late in the war. However, the technologies and tactics needed to make true AEW aircraft would take several years to evolve. More"