U.S. Marines pride themselves on being the "first to fight" for their country. By sea, by land, and by air, Marines work as a team. They get help from high-tech vehicles such as the F/A Hornet fighter jet and weapons such as M-4 rifles. Beginning readers are sure to enjoy learning about various aspects of the Marine Corps, from jobs to weapons and equipment.

Examines the operation of the Judicial Branch and its role in government. Shows how it interprets our laws and how it makes decisions that impact the daily lives of citizens. Also examines how it contributes to the system of checks and balances which prevents any one branch of the U.S. government from becoming too powerful.

"The U.S. Navy traces its roots back to the American Revolutionary War. Then, its small fleet was outnumbered. Today, it is the largest navy in the world. Learn about the roles of sailors and their training, and get an inside look at the different types of ships, aircraft, equipment, and weapons the U.S. Navy uses to complete missions around the world"--

Shows sea stars (Asteroidea) ; brittle stars and basket stars (Ophiuroidea) ; sea urchins and sand dollars (Echinoidea) ; sea cucumbers (Holothuroidea) ; feather stars (Crinoidea).

"These three 20-minute videos examine key constitutional concepts. The first explains why the nation's framers created the Constitution. The second describes the protection of individual rights by highlighting the Supreme Court case of Gideon v. Wainwright, affirming the right to an attorney. The last explores the separation of powers by examining the Supreme Court case of Youngstown v. Sawyer, a challenge to President Truman's decision to take over...