Battlefield in a sentence as a noun

It's how we id the friendlies on the battlefield.

The basic idea of terrorism is to erase the boundaries of the battlefield.

Obama didn't have to authorize targeted assassinations far away from any battlefield.

The current administration asserted that it has the right to assassinate anyone it wants, American citizen or not, outside of a battlefield, without any oversight or due process.

Battlefield definitions

noun

a region where a battle is being (or has been) fought; "they made a tour of Civil War battlefields"

See also: battleground field