An Aldehyde is an organic compound containing a terminal carbonyl group. This functional group, which consists of a carbon atom which is bonded to a hydrogen atom and double-bonded to an oxygen atom (chemical formula O=CH-), is called the aldehyde group.
Berchtesgaden-a town in Bavaria The town of Berchtesgaden is located near Hitler's Eagle's Nest (Kehlsteinhaus) and can be easily reached by train; there are several hotels and it is an inexpensive place for tourists to stay overnight.
Sembach Kaserne. Sembach Kaserne is a United States Army installation about 45 minutes east of Ramstein Air Base and serves a population of about 2,000. Sembach Kaserne is in Sembach, Germany, near Kaiserslautern. Sembachâs military history dates back to a French airfield following World War I. In 1951, it became a U.S. air base.