text: In the 1980s, this body of water was the testing ground for a 240-foot-long military aircraft designed to only fly 10 feet above the water's surface, known as its namesake "Monster".
full_question: In the 1980s, this body of water was the testing ground for a 240-foot-long military aircraft designed to only fly 10 feet above the water's surface, known as its namesake "Monster". Its eastern shore is indented by a hypersaline lagoon known as the Garabogazkol, and its western shore is home to the port of Rasht and the Absheron Peninsula. This body of water causes lake-effect snows to fall on Mount (*) Damavand, the tallest of the Alborz mountains to its south. An oil boom from discoveries in this body of water has brought wealth to Astrakhan and the port of Baku. For 10 points, the Volga River flows into what landlocked Central Asian "sea" east of the Caucasus?
first_sentence: In the 1980s, this body of water was the testing ground for a 240-foot-long military aircraft designed to only fly 10 feet above the water's surface, known as its namesake "Monster".
raw_answer: Caspian Sea