There are at least two bands called The Union.
These are photos from concerts where The Union played, so they may be of other bands that played the concert as well.
Colorado Goth Fest 5 Jun 30, 2019 Denver, Colorado, United States Uploaded by Cowtzu
The Union / Tax The Heat / Black Wolf Nov 12, 2013 Bristol, England, United Kingdom Uploaded by Josh King
The Union / Black Wolf Mar 27, 2013 Bristol, England, United Kingdom Uploaded by Josh King
Download Festival 2012 Jun 8 - 10, 2012 Castle Donington, England, United Kingdom Uploaded by Gwyn Williams
Download Festival 2012 Jun 8 - 10, 2012 Castle Donington, England, United Kingdom Uploaded by Josh King
The Answer / The Union / Skam Mar 16, 2012 Bristol, England, United Kingdom Uploaded by Josh King
The Answer / The Union / SKAM Mar 13, 2012 Manchester, England, United Kingdom Uploaded by Jim Jones
SW4 Festival 2011 Aug 27 - 28, 2011 London, England, United Kingdom Uploaded by Maf Daniel
Thin Lizzy / Supersuckers / The Union Jan 23, 2011 London, England, United Kingdom Uploaded by Stephen Grimes
Sonisphere Festival 2010 Jul 30 - Aug 1, 2010 Knebworth, England, United Kingdom Uploaded by Josh King