MAJ Herbert Zehnder, Igor Sikorsky, MAJ Donald B. Maurras, Le Bourget, 1 June 1967 Published on June 1, 2012 in 31 May–1 June 1967Full resolution (681 × 541) Next → Major Herbert Zehnder, USAF, Igor Sikorsky and Major Donald B. Murras, USAF, at Le Bourget, 1 June 1967.