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.
Military. an area in a theater of operations where combat forces operate, extending typically from the front line to the communications zone. 2. Slang. an area in some cities, usually in an older midtown section, where pornography stores, striptease bars, etc., flourish, or are tolerated because of being concentrated in one district. Origin of combat zone Expand. 1935-1940.