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.
Download Festival 2012 Jun 8 - 10, 2012 Castle Donington, England, United Kingdom Uploaded by Josh King
Download Festival 2012 Jun 8 - 10, 2012 Castle Donington, England, United Kingdom Uploaded by Gwyn Williams
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