The investment seeks as high a level of current income as is consistent with preservation of capital and liquidity. The fund normally invests at least 99.5% of its total assets in cash, U.S. government securities and/or repurchase agreements that are collateralized fully (i.e., collateralized by cash or government securities). It normally invests at least 80% of its assets in U.S. government securities and repurchase agreements for those securities. The fund invests in U.S. government securities issued by entities that are chartered or sponsored by Congress, but whose securities are neither issued nor guaranteed by the U.S. Treasury.