Tractor, Crawler, Diesel, 70 to 90-DBHP, Standard, Caterpillar D7, 74-In. Gage, with La Plant-Choate R-71, Angledozer and Le Tourneau R-7, Power Control Unit. Serial Nos. … 1981 American Bandmasters Association 47th Annual Convention Washington, D.C. / The United States Marine Band ; Lieutenant Colonel John R. Bourgeois Director heritage of the march Heritage of the March : Volume R heritage of the march Heritage of the March : Volume 52 H. Hughes- J. Casto - R. Orlando heritage of the march Heritage of the March : Volume 72 P. Cambronero- R. Vollstedt- M. Domingo heritage of the march Heritage of the March : Volume 78 J.G. Piefke-R. Piefke-A. Rosenkranz heritage of the march Heritage of the March : Volume 86-J. Texidor-L. R. Stanley Cave of the Winds : the remarkable history of the Langley Full-Scale Wind Tunnel