Following is a list of recent contracts announced by the United States Air Force. B. F. Goodrich Co., Dayton, wheel assy. for H-37A aircraft, 200 ea., brake assy. for H-37A aircraft, 200 ea., 70 ea., $81,189. Bell and Howell Co., Chicago, shuttle, 2,500 ea., plate assy., 800 ea., $34,779 ; phase III, motion picture camera, 107 ea., $238,375.