The hospital ship USNS Comfort sits pierside during a Continuing Promise 2011 mission to Puerto San Jose, Guatemala, June 30, 2011. Continuing Promise is a five-month humanitarian assistance mission to countries in the Caribbean, Central and South America. The hospital ship USNS Comfort sits pierside during a Continuing Promise 2011 mission to Puerto San Jose, Guatemala, June 30, 2011. Continuing Promise is a five-month humanitarian assistance mission to countries in the Caribbean, Central and South America. SHARE: Download: Full Size (1.87 MB) Tags: photo essays Credit: VIRIN: 296412-E-HGZ36-271.jpg Photo Gallery