Fuxxed the image but there's an Aussie P3 Orion doing searches and not marked is a US Pc3 Orion also doing searches all the action over the NW side of the Channel Islands off Santa Barbara.

Is there currently a carrier off US west coast? IDK but Vinson would be the closest otherwise, heading for the exercises in Japan.

Data in image inaccurate. Illustration only.

https://news.usni.org/2021/08/09/usni-news-fleet-and-marine-tracker-aug-9-2021

. They should have as much propellant as needed to stay in orbit for the designed service life of 5 years. If they break SpaceX simulation estimates them to decay in about 5 years.

https://www.reddit.com/r/Starlink/comments/bufqmb/how_long_will_these_satellites_last_before_their/

I give you two graphs for Tintins (two experimental Starlink satellites launched in Feb 2018): average height above Earth and apogee & perigee of Tintin B.