 Complete the following phrase:  He also served as Assistant Chief of Naval Staff for Operations, N3, in 2013 to 2014, where he oversaw naval operations in the 2013 Lahad Datu standoff, as well as encounters of Chinese Ships at the Ayungin Shoal and in Scarborough Shoal, the sinking of the MV St. Thomas Aquinas, the Zamboanga Siege, the 