Vanguard's GNMA fund? looks safe, It's got Fed backing and you can have a check book (min check $250) so as to have instant access to your money if you need it. (Currently yielding 5.16% with an expense ration of 0.21%)
https://personal.vanguard.com/us/funds/snapshot?FundId=0036&FundIntExt=INTOr, if you have enough money (Currently yielding 5.26% with an expense ration of 0.11%)
https://personal.vanguard.com/us/funds/snapshot?FundId=0536&FundIntExt=INTThe Government National Mortgage Association (GNMA, also known as Ginnie Mae) is a U.S. government-owned corporation within the Department of Housing and Urban Development (HUD).
Ginnie Mae provides guarantees on mortgage-backed securities (MBS) backed by federally insured or guaranteed loans, mainly loans issued by the Federal Housing Administration, Department of Veterans Affairs, Rural Housing Service, and Office of Public and Indian Housing. Ginnie Mae securities are the only MBS that are guaranteed by the United States government.
http://en.wikipedia.org/wiki/GNMAhttp://www.ginniemae.gov/about/about.asp....Vanguard Treasury Money Market Fund #0050 (VMPXX)
https://personal.vanguard.com/us/funds/snapshot?FundId=0050&FundIntExt=INTHolds only U.S. Government & Agency paper. "The fund invests solely in high-quality, short-term money market securities whose interest and principal payments are backed by the full faith and credit of the U.S. government. <b>At least 80% of the fund’s assets will always be invested in U.S. Treasury securities</b>; the remainder of the assets may be invested in securities issued by U.S. government agencies. The fund will maintain a dollar-weighted average maturity of 90 days or less."
https://personal.vanguard.com/us/FundsStrategyAndPolicy?FundId=0050&FundIntExt=INTThe only way you can get closer to your government is to buy Treasury Bills, Notes, Bonds, and Treasury Inflation-Protected Securities (TIPS) directly through Treasury Direct.
http://www.treasurydirect.gov/indiv/myac....The advantage of Vanguard's Treasury Money Market Fund is that you can get a check book that allows you write checks (minimum check $250) on the account. -- CONTACT YOUR INVESTMENT ADVISER ABOUT RISK, COST, AND RETURN....... this is not intended as investment advise....