Thrift Savings Plan
From esoterum.org
Fund Indexes
G fund - Government Securities. These are unique government securities, backed by the full faith and credit of the US Government, available only through the G Fund. F fund - Fixed Income Index (Barclay's US Debt Index Fund tracks the LBA Bond Index) C fund - Common Stock Index (Barclay's Equity Index Fund tracks the S&P 500 Stock Index) S fund - Small Cap Stock Index (introduced in 2001, Barclay's Extended Market Index tracks the Wilshire 4500 Index) I fund - International Stock Index (introduced in 2001, Barclay's EAFE Index Fund tracks the EAFE Stock Index)