If you are looking for an academic paper or scholarly critique, several articles analyze the cultural and political impact of the film Behind Enemy Lines (2001) and real-world intelligence operations:

In a more literal sense, if you were referring to a common phrase in the fountain pen hobby, enthusiasts often discuss Behind Enemy Lines - Bad Paper! —which focuses on how certain inks perform on low-quality, "common" paper like standard copy or notebook paper.

Depending on whether you are looking for academic analysis, historical accounts, or stationery advice, several "papers" and resources are related to "Enemy Lines."

: Data from Behind Enemy Lines: How Russia May have Used Twitter to Seize Crimea discusses how modern social media data is used as a new frontier for military planning and "information warfare".

: The article Brothers across Enemy Lines documents the letters between a mission president and a German soldier during World War I.

: The paper Behind Enemy Lines and American Geopolitical Culture examines the 2001 film as a product of post-9/11 American militarism and its portrayal of the Bosnian war.

To help me find or draft the specific type of paper you need, could you clarify if you are: Writing an or film critique ? Looking for historical documents or primary sources? Researching stationery and ink compatibility?

For those interested in historical records and first-hand accounts on paper: