Having the skill and capability to aerial refuel aircraft was limited to fewer than a handful of countries. It is no mean feat and makes the master a member of the military elite who can send warplanes on strike missions around the world. News reports last week quoting a Chinese military newspaper say China has joined this club. Read our article on the birth of air-to-air refueling here.
Denys Overholser, the Lockheed Martin engineer whose insights on the mathematics of radar cross section led directly to the first operational stealth attack airplane and permanently reshaped combat aircraft design and tactics, died April 28 at the age of 86.