Hi cam, & welcome to OSM! Thanks for your work but there are a couple of issues here. The taxiways aren't connected to the ends of the runway is one! You've also deleted one taxiway visible at https://www.openstreetmap.org/edit?changeset=152743660#map=18/36.24847/-90.95551 Is it really gone? Thanks, 
Graeme Fitzpatrick
Moderator, 
OSMF Data Working Group