Shepherd Field Air National Guard Base is the home base of the West Virginia Air National Guard 167th Airlift Wing located at the Eastern West Virginia Regional Airport, 4 miles south of Martinsburg, West Virginia.

As of May 2016[update] the U.S. Air Force has been investigating whether industrial chemicals have seeped from the 167th Airlift Wing base into the groundwater.

[2] The military seeks to determine if the compounds are present, and if they seeped into the groundwater.

The Eastern West Virginia Regional Airport is in the Big Springs wellhead-protection area for the city's water supply.

[2] West Virginia National Guard This article incorporates public domain material from the Air Force Historical Research Agency