rican Airways, and United Airlines (Moskowitz, Katz, and Levering, 1984).
From this start, the airline operators were able to gradually add passenger carrying routes and, later, freight carrying operations, to supplement mail delivery. Several air line companies flourished in the 1920s. In addition to the companies which were to later become American, Eastern, Pan American, and United, Delta Air Lines and Trans World Airlines
4 5(TWA) got their starts in the last half of the 1920s (Mosko witz, Katz, and Levering, 1984).
Most of the new airline companies began to flounder soon after they were founded. In the mid and late 1920s, Herbert Hoover (later to become president of the US) was the US Secre tary of Commerce. He is given great credit for the establish ment and development of the commercial air transport industry (Lee, 1984). He witnessed the financial and operational disas ters which were occurring in the new industry. His office drafted, and he pus
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