Several of the drills were conducted in northern Philippine areas facing Taiwan and the South China Sea, locations increasingly seen as central to deterrence planning.
The launches hit a mock enemy ship — the decommissioned Philippine Navy's Quezon corvette — about 75 kilometers off the shores of Paoay, Ilocos Norte, in the country's northwest.
Defense Minister Shinjiro Koizumi and Philippine Defense Secretary Gilberto Teodoro reached a wide-ranging deal to further promote defense equipment and technology cooperation.