WASHINGTON, Oct. 9 -- Sen. Roger Marshall, R-Kansas, issued the following news release: * * * Senator Marshall, Secretary Duffy Highlight Aviation Infrastructure & Modernization in Kansas * Olathe - U.S. Senator Roger Marshall, M.D. (R-Kansas), today joined U.S. Transportation Secretary Sean Duffy and Congressman Tracey Mann (KS-01) for visits to Kansas City Downtown Airport (MKC) and Indra Group's radar manufacturing facility in Olathe, Kansas, to highlight aviation safety, air traffic control modernization, and critical transportation inf more PR