US Navy and partner nations exercise in Philippine EEZ The navies of the United States, Japan and the Philippines conducted joint (reciprocal) patrol exercises in the Philippine EEZ from October 19-24. The goal is to demonstrate a collective commitment to strengthening regional and international cooperation in support of a free and open Indo-Pacific region. Involved: from the USA - patrol ship Bertholf (USCGC Bertholf, WMSL 750) of the US Navy Coast Guard; from the Philippines - one helicopter AW159 "Wildcat" and one patrol aircraft C208 "Caravan" of the Philippine Air Force, patrol ship "Solan" (BRP Solan, MRRV 4406) of the Philippine Coast Philippine Coast Guard" (BRP Diego Silang, FFG 07) Philippine Navy; From Japan - destroyer "Kirisma" (Kirisma, DD 104) of the Japanese Navy.