Nyorai kupfuurira kweiyi ndima - "Aspen" yakavakwa kutsiva, "Mesquite" -class buoy tender, munharaunda yayo yemabasa. "Buttonwood" yakabviswa basa musi wa 28 June 2001 pashure pemakore 58 ebasa. Muna 2009, "Aspen" yakabata mbanje ndokusunga vanhu vana vanofungidzirwa kuti vaiita zvekutengesa kubva muchikepe chinokurumidza kuenda kumahombekombe eBaja California, iyo panguva iyoyo yaive yechitatu yakakura kutorwa mbanje munhoroondo yeCoast Guard uye yekutanga ne "Juniper" -kirasi yekucheka. "Aspen" yakaendeswa kuGulf of Mexico muna 2010 mukupindura kudonha kwemafuta kweDeepwater Horizon
. Munguva yaaiva panzvimbo yacho, "Aspen" yakafamba ndokuwanazve mafuta asina kuchena akanga adururwa. Akawana mabhero anopfuura 35 embanje pamhenderekedzo yeBaja California ndokudzorera vapoteri gumi nevatatu vasiri pamutemo kuMexico muna 2011. Muna July 2012, akabata mabhero 341 embanje airema mari inodarika mamiriyoni 6,7 emadhora. Muna 2012, USCGC "Aspen" yakadzorera maviri (NOAA) akasarudzika egungwa wave glider buoys akakosha 750,000 uye akachengetedza mamwe 7 NOAA buoys. Yakagadzirisawo 44 navigational buoys uye yakabatsira Coast Guard Station Golden Gate nemaawa 25 echikepe chiduku nguva yokupindura.