Enhanced Tactical Fighter (ETF) was a programme conducted by the United States Air Force between 1980 and 1984, to seek replacements for the F-111.[1][2]
References[]
- ↑ E. R. Johnson (2008). "American Attack Aircraft Since 1926". McFarland. p. 9. ISBN 978-0-7864-3464-0. http://books.google.com/books?id=GmFhOCYckfQC&pg=PA9&dq=%22Enhanced+Tactical+Fighter%22&hl=en&ei=LFRQTpqwLY6whAeQ_8noBg&sa=X&oi=book_result&ct=result&resnum=4&ved=0CDgQ6AEwAw#v=onepage&q=%22Enhanced%20Tactical%20Fighter%22&f=false. Retrieved 2011-08-21.
- ↑ Tyson Rininger (2009). "F-15 Eagle at War". Zenith Imprint. p. 85. ISBN 978-0-7603-3350-1. http://books.google.com/books?id=trJ8ThEEZuwC&pg=PA85&dq=%22Enhanced+Tactical+Fighter%22&hl=en&ei=LFRQTpqwLY6whAeQ_8noBg&sa=X&oi=book_result&ct=result&resnum=5&ved=0CD0Q6AEwBA#v=onepage&q=%22Enhanced%20Tactical%20Fighter%22&f=false. Retrieved 2011-08-21.
The original article can be found at Enhanced Tactical Fighter and the edit history here.