Iranian frigate Sabalan Iranian frigate Sabalan Sabalan (in Persian سبلان) is a British-made Vosper Mark V-class (or ) frigate in the Iranian Navy. Commissioned in June 1972 as part of a four-ship order, the "Sabalan" was originally named IIS "Rostam", after Rostam, a legendary hero in the Shahnameh, but was renamed after the Islamic revolution for Sabalan, the Iranian mountain. During the Iran–Iraq War, the warship became infamous for attacks against the crews of unarmed and often neutral tankers and other merchant ships. Before these attacks, "Sabalan"s captain would often board the ships and pretend to carry out a friendly inspection, sometimes even
Mount Rainier Volcano Lahar Warning System Mount Rainier Volcano Lahar Warning System The Mount Rainier Volcano Lahar Warning System consists of two separate components, operating in tandem: Acoustic Flow Monitors (AFM) and the All Hazard Alert Broadcast (AHAB) sirens. The AFM system was developed by the United States Geological Survey (USGS) in 1998 and is now maintained by Pierce County Emergency Management and the sirens are maintained by Pierce County Emergency Management. The purpose of the warning system is to assist in the evacuation of residents in the river valleys around Mount Rainier, a volcano in Washington, in the event of a lahar. Pierce County works