This report provides an account of federal funding of research and development (R&D) programs in 15 areas for the years 1969-77. Part 1 lists federal R&D expenditures according to function and includes comments and comparisons pertaining to the functions. Part 2 provides more detailed analyses of R&D expenditures for each function individually, including graphs that chart the overall and subfunction expenditures of each function from 1969-77, and explanatory comments. The appendices include an additional statistical table that lists R&D obligations by function, subfunction, and agency program for each year during the period 1969-77. (MH)