Based on what you already know so far, which parts of this statement are false? U-2 planes study weather conditions A U-2 plane went missing. The pilot had oxygen difficulties The pilot was flying over Turkey. One of NASA’s U-2 Research Airplanes, in use since 1956 in a continuing program to study gust-meteorological conditions found at high altitude, has been missing since about 9 o’clock Sunday morning, (local time) when its pilot reported he was having oxygen difficulties over the Lake Van, Turkey area. —NASA Press Release, May 5, 1960