China has sent four naval ships to look for missing Vietnamese airmen Posted on June 17, 2016June 17, 2016 by alert5 China says it has dispatched four naval ships to the Gulf of Tonkin to help search for those missing in the Su-30MK2V and C212 crash. Photo: Baodatviet.vn China says the search was carried out at the request of Vietnam. Related posts (Automatically Generated): Philippine Air Force OV-10 goes missing Search continues for Mexican Navy helicopter missing four days ago Two Vietnamese Su-22s collide mid-air, pilots missing Vietnamese C212 goes missing while searching for Su-30MK2V pilot Two Afghan Air Force airmen missing from Moody AFB One of the two missing Afghan Air Force airmen has been found