General Electric (cont'd) engines at XP-59 test J47 engines in F-86 J47 engines in B-47 competes for ATF program F404 engines in X-29 F404 engines in X-31 German Air Ministry German High Command "Glamorous Glennis" Gloster E.28/29 Go 229, Gotha Goodlin, Chalmers "Slick" Grenada Grigorevich, Dmitri Grumman Aerospace Co. Grumman Aircraft Corp. builds EA-6 for Marines builds sturdy aircraft learns from mistakes