<p>HONOLULU — An injunction to halt bombing and other military training on a tiny Pacific island could hinder America’s ability to defend itself and to prepare for war, a Navy spokesman said. The Navy ceased using Farallon de Medinilla in the U.S. Commonwealth of the Northern Mariana Islands on Tuesday after U.S. District Judge Emmet Sullivan in Washington issued a 30-day injunction immediately halting all U.S. military activities.</p>