Introduction -- The air war -- Origin of the Lafayette Escadrille -- N 124 goes to war -- Lafayette pilots transfer to the U.S. Air Service -- The 1st Pursuit Group -- Conclusion -- Epilogue -- Appendixes: I. American pilots of the Lafayette Escadrille ; II. Aces of the Lafayette Escadrille ; III. Air fields of the Lafayette Escadrille and 103rd Aero Squadron ; IV. Lafayette Escadrille Memorial ; V. Lafayette Flying Corps personnel interred in the Lafayette Escadrille Memorial ; VI. The French Lafayette Escadrilles.