ARM Oaxaca (P-161)
Oaxaca (P-161) is the lead ship of a class of Mexican offshore patrol vessels. Built at home, they are 86m (282 feet) long, and displace 1,680 tons. Oaxaca lacks missiles, with her armament consisting of a 76mm gun, two Browning .50 machine guns, and a 30mm cannon. She also has a hanger and landing pad for a Panther helicopter, which can be armed with missiles or torpedoes. Besides her patrol duties, Oaxaca was sent to participate in the UNITAS Gold multinational exercise from April to May, 2009, during which she participated in the live-fire sinking of the retired Spruance-class destroyer USS Conolly.