Belgian soldier standing on guard duty in a trench in Belgium during World War I. The soldier is vigilant and ready to protect his post. This photograph is part of the collection 111-SC-1509, depicting various military activities during the war.

Royalty-Free Standard Commercial licenses are granted for worldwide, non-exclusive and perpetual use, unless specifically noted otherwise. All Royalty-Free transactions are final. The Royalty-Free Standard Commercial license has no limitations and covers up to 15 users.