The basic textbook employed by the Defense Institute of Security Cooperation Studies (DISCS - formerly DISAM) for instruction of all classes covering the full range of security cooperation activities. The text is revised annually and commonly referred to as the Green Book as it is bound in a green cover.
7938 Passenger Train is a City Trains set released in June 2010. It was sold in the US as a Special Edition set at the LEGO Store and Toys R Us.
The Copenhagen s-train has 6 main lines and 1 peak hour support line. All the lines use the same pathway to run through the city. Most trains are converted from steam operated railway system to electric. Each line is recognized by color and alphabets.