PHOTOS: The adorable cats and dogs that have kept Ukrainian troops company in front-line trenches

• Photos show the dogs and cats Ukrainian soldiers keep as pets on the front lines. 
• Pets have long accompanied troops in war, with some serving important operational roles and others there for morale.
• In Ukraine, some units have adopted stray pets from ruined towns, giving them a home.

In the midst of a gruesome conflict, Ukrainian troops have at times found furry friends to keep them company along the front lines.