No. GIs at non-U.S. institutions may submit proposals for observing time only. GIs at non-U.S. institutions are not eligible for funding and therefore may not submit "funding only" proposals, even if they would have U.S. Co-Is.
No. There isno need to "affiliate" with the Swift Science Center, as in previous years. On your proposal (submitted to ARK/RPS), you may give your home institution and submit the forms yourself. For further instructions on submitting a Swift Cycle 20 proposal, see our Cycle 20 Guest Investigator Program Web page.
No. The US collaborator must be the guest investigator in order for him/her to receive funding.