1 The new Air Optix Night and Day Approximately 4 months ago, I was having problems with my new set of Night and Day lenses, called the Air Optix Night and Day Aqua which replaced the former Focus Night and Day. 2  Upon some research on the Internet, I found that I was not the only one experiencing problems.
(Redirected from Short Range Air Defense) Short Range Air Defense (SHORAD) is a group of anti-aircraft weapons and tactics that have to do with defense against low-altitude air threats, primarily helicopters and low-flying close air support aircraft such as the A-10 or Sukhoi Su-25.
The Byzantine army or Eastern Roman army was the primary military body of the Byzantine armed forces, serving alongside the Byzantine navy. A direct descendant of the Roman army, the Byzantine army maintained a similar level of discipline, strategic prowess and organization. It was among the most effective armies of western Eurasia for much of the Middle Ages.