If the movie 'The Guardian' inspired you, then you will want to model an HH-60J Jayhawk, since that is what the Coast Guard flies. Only the US Air Force operates Pavehawks. There is currently no out-of-box kit for the Jayhawk.
If you buy the 1/48 scale Italeri SH-60, you can use this conversion set from Cobra Company to build it as a Jayhawk.
You can also find HH-60J Jayhawk decals in 1/48 from Fireball Modelworks.
I haven't used these particular sets, but have experience with other Cobra Company resin and Fireball decals, and both companies are absolutely top-notch.
Good luck,
Andy