The U.S. Marine Corps said Thursday a plan to return the site of its Futenma air base to Japan remains on track based on bilateral agreements.The Marine Corp's response to Kyodo News, made following a recent disclosure suggesting that the site in Okinawa Prefecture would not be returned unless a longer runway is secured at a replacement facility, also said it continues to implement the "conditions" set under the accords.The conditions are apparently those confirmed by Japan and the United States in 2013. One of the eight conditions for the return, agreed by the two countries in 1996, is "im…READ FULL ARTICLE