Complex sentence: Bettis Field was an airstrip in West Mifflin, Pennsylvania, southeast of Pittsburgh, Pennsylvania, from 1924 that was named for U.S. Army Air Corps Lieutenant Cyrus Bettis following his fatal accident on Jack's Mountain near Bellefonte, Pennsylvania in 1926.
Split into simpler sentences: Bettis Field was an airstrip in West Mifflin, Pennsylvania, southeast of Pittsburgh, Pennsylvania, established in 1924. It was named for U.S. Army Air Corps Lieutenant Cyrus Bettis following his fatal accident on Jack's Mountain near Bellefonte, Pennsylvania in 1926.