(210-foot cutters) received upgrades and modifications (in a program named "Midlife Maintenance Availability" or MMA) during the 1986 through 1990 time period. The "A"-class cutters had their gas turbines removed, and all 210s had their stern transom exhaust systems replaced with a traditional stack. While this modification reduced the size of the flight deck, they were still more than capable of carrying out helicopter operations. Other modifications included enlarging the superstructure area, replacing the main armament, and increasing the fire-fighting capability of the cutters. The modifications cost approximately $20 million per cutter, well above their original cost of about $3.5 million each. Ships in class Courageous was decommissioned on 19 September 2001. She was transferred to the government of Sri Lanka on 24 June 2004 as (P-621). Durable was decommissioned on 20 September 2001. In 2003 she was transferred to the Coast Guard of the Colombian Navy as ARC Valle del Cauca (PO-44). Notes References – HDTV documentary shows the Famous-class cutter patrolling the south coastal region of the United States in February and March 1999.