Rearranging the letters of 'Arrow' (Weapon) gives:
Or war.
(by Jim Banholzer by hand) (2018) (pending approval)
Other related anagrams without their own page:
"'US believes Iran not trying to build nuclear bomb'" -> "Obviously, America returning to be unblest, blind." (by Aronas Pinchas ) (2012) (pending approval)
"Tomb of the Unknown Soldier, Arlington National Cemetery" -> "Bent on Memorial Day, we long for lost kin in that encounter." (by Adie Pena by hand) (2008) (pending approval)
"Battle casualties" -> "Let a blast cause it." (by Rick Rothstein using Anagram Genius) (2003)
"Darth Vader" -> "Th' raver dad." (by ani by hand) (2012) (pending approval)