The 142nd Artillery Division at the Patchogue Armory at 100 Barton Avenue. The building is best known as the Patchogue Armory, but Google Maps claims this is in <a href="https://en.wikipedia.org/wiki/East_Patchogue" class="extiw" title="w:East Patchogue">East Patchogue</a>, while I and a lot of others in the area always thought of this as <a href="https://en.wikipedia.org/wiki/North_Patchogue" class="extiw" title="w:North Patchogue">North Patchogue</a>. East Patchogue is further out on the other side of the <a href="https://en.wikipedia.org/wiki/Swan_River_(New_York)" class="extiw" title="w:Swan River (New York)">Swan River</a>.
<a href="//commons.wikimedia.org/wiki/User:DanTD" title="User:DanTD">DanTD</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>