You can start this quest after you have done the radio tower repair quest and the police station sticker quest.
You get this quest from Commander Laurence.

You get this quest by talking to Commander Laurence.

This is Laurence.

He Tells you, that you have to deliver a note to Rusty.

This is Rusty.

First, you have to talk to Rusty, he tells you theres a note inside it, which is for Chef Leonard.

This is Leonard.

Then, you have to talk to Chef Leonard, who tells you there is another note inside it, which is for Andy.

This is Andy.

After that, you have to talk to Andy, who tells you there is another note inside of that, which is for Captain Sydney.

This is Sydney.

If you liked this guide or it helped you, favourite it.
If there are any problems, ask in the comments.