Yes, because this is a Federal government organization, so it is backed by the Federal government/US Treasury. So "pre-funding" pensions is nonsense because th

Yes, because this is a Federal government organization, so it is backed by the Federal government/US Treasury. So "pre-funding" pensions is nonsense because the pensions will be paid out of a) the USPS current revenues, or b) US Treasury. Just like Social Security, which effectively "invests" in US Treasuries and redeems those bonds as required to pay current recipients.