The Navy proposes to substantially increase EA-18G Growler flight operations at Ault Field (NAS Whidbey Island) and at Outlying Landing Field (OLF) Coupeville. Read the summary in this NEWS RELEASE.
The complete EIS is quite long and detailed. Here are the original documents:
Volume 1 Volume 2 Volume 3 Volume 4 Full Length Comments and Response (7,812 pages - long download)