Sailors of the guided missile frigate USS Crommelin (FFG 37) drain a hose. Sailors of the guided missile frigate USS Crommelin (FFG 37) drain a hose after participating in a pipe patching exercise at the Center for Naval Engineering Fire Fighting School on Pearl Harbor, Hawaii, on March 31, 2005. The school teaches sailors basic firefighting techniques through a series of classroom and hands-on training scenarios. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 764644-G-QLW87-419.jpg Photo Gallery