Displaced residents are still waiting for Iraqi city's streets and buildings to be cleared after troops routed the Islamic State.
Lost American lives in Fallujah would not have been in vain if the Iraqi military retake the city, say veterans.
Troops are attempting to clear ISIS out of Qayara to provide a staging ground for an offensive on militant group's de facto capital, Mosul.
Iraq arrests more than 500 suspected ISIS members trying to sneak out with civilians since operation began.
Iraqi forces and Shi'ite militias have the ISIS-held Iraqi city nearly surrounded.