Jules' Undersea Lodge Chalupa Research Laboratory, an undersea marine lab operated off Puerto Rico in the 1970s. The lodge features a 2 bedroom 1 bath retreat that can be rented for a night. The hotel also offers a scuba diving school. Jules' Undersea Lodge Jules' Undersea Lodge is an American hotel located in Key Largo, Florida and is the only underwater hotel in the United States. It is 30 feet (9 m) deep on the ocean floor and guests have to scuba dive to get to their rooms. The hotel is located at the bottom of the Emerald Lagoon and was opened in
Military of Puerto Rico Rico Army and Puerto Rico Air National Guard, or the U.S. Reserve forces. Puerto Rican soldiers have served in every US military conflict from World War I to the current military engagement known by the United States and its allies as the War against Terrorism. A number of Puerto Rican colleges and universities have the Reserve Officers' Training Corps (ROTC) programs. Army ROTC programs are offered at the American University of Puerto Rico, the Caribbean University, the University of Puerto Rico - Arecibo, the University of Puerto Rico – Bayamon Technological University College, the University of Puerto Rico – Carolina