bombing through overcast

bombing through overcast

[¦bäm·iŋ thrü ′o·vər‚kast]
(ordnance)
Blind bombing through clouds, using radar, infrared equipment, or other electronic equipment for guidance. Abbreviated BTO. Also known as blind bombing.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.