Mercy crew volunteers at Vietnam orphanage U.S. Navy Lt. John Luckesen shows a Vietnamese child a photo of his face painting at an orphanage during Pacific Partnership 2015 in Da Nang, Vietnam, Aug. 18, 2015. The USNS Mercy is in Vietnam for its fourth mission port of Pacific Partnership, the largest annual humanitarian assistance and disaster relief preparedness mission in the Indo-Asia-Pacific region. Luckesen is a Navy chaplain assigned to the USNS Mercy. U.S. Navy photo by Petty Officer 3rd Class William McCann SHARE: Download: Full Size (0.6 MB) Tags: Navy, All images Credit: U.S. Navy Petty Officer 3rd Class William McCann VIRIN: 150818-N-HE318-074.JPG Photo Gallery