page_title: Bay-class tugboat
section_title: Service Life Extension Program
hierarchical_section_title: Bay-class tugboat / Service Life Extension Program
caption_attribution_description: Portrait of LT Sandra L. Stosz with President George H. W. Bush
context_page_description: The Bay-class tugboat is a class of 140-foot icebreaking tugboats of the United States Coast Guard, with hull numbers WTGB-101 through to WTGB-109.
  They can proceed through fresh water ice up to 20 inches thick, and break ice up to 3 feet thick, through ramming. It can also ram pressure ridges of up to eight feet in thickness. These vessels are equipped with a system to lubricate their progress through the ice, by bubbling air through the hull.
context_section_description: The WTGB SLEP project includes significant system upgrades and improvements to the propulsion plant; heating, ventilation, and air conditioning systems; installation of an engine-room fire-suppression system; boat launching davit replacement; Oily Water Separator replacement; stack exhaust configuration modifications; hull air-ice lubrication system; and crew habitability improvements to meet current standards (including removal of lead paint). The first WTGB SLEP is scheduled for 12 months; however, once the Yard achieves a satisfactory production labor learning curve (anticipated after Hull #3), the Yard will complete two 140-foot WTGB SLEPs per year, with an anticipated duration of 9 months each. The first of nine cutters (Morro Bay) entered production at the Coast Guard Yard on July 1, 2014. Morro Bay returned to her homeport of Cleveland in September 2015
caption: President George Herbert Walker Bush tours USCGC Katmai Bay with the commanding officer, Coast Guard Lieutenant (now Vice Admiral) Sandra L. Stosz in 1990
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