Rearranging the letters of 'Prisoners-of-war' gives:
Pens of warriors.
(by Mick Tully using Anagram Genius) (2008) (pending approval)
Other related anagrams without their own page:
"America's prisoners in Guantanamo bay" -> "Misery, as I am persona non grata in Cuba." (by Tony Crafter using Anagram Genius) (2006) (pending approval)
"Iraqi Prisoner Abuse" -> "I inquire... Arabs? Ropes?" (by Rick Rothstein using Anagram Genius) (2004)
"Iraqi President Saddam Hussein" -> ""Queer's penis isn't hard" said maid." (by John Gould by hand) (2003)
"Guantanamo Bay" -> "Gunman: "Ay, a boat!"" (by Mick Tully using Anagram Genius) (2009) (pending approval)
"Guantanamo Bay suspects" -> "A cast manage, but no pussy!" (by Mick Tully using Anagram Genius) (2008) (pending approval)
"Guantanamo Bay suspects" -> "A saga, but no pussy act, men!" (by Mick Tully using Anagram Genius) (2008) (pending approval)
"Guantanamo Bay suspects" -> "Gasp! USA sent many to Cuba." (by Mick Tully using Anagram Genius) (2008) (pending approval)
"Guantanamo Bay suspects" -> "Many a Gestapo stuns Cuba." (by Mick Tully using Anagram Genius) (2008) (pending approval)
"Prisoner abuse." -> "Bruise a person." (by Hans-Peter Reich using Anagram Genius) (2009) (pending approval)