Planning, Programming, Budgeting and Execution. PPBE has been the way of the Pentagon since the 1960s. Nobody is thrilled with it, but it persists. The latest set of recommendations for reforming Pentagon acquisition comes in a letter signed by a dozen\xa0contractors and venture capital outfits. For the details, Federal Drive Host Tom Temin spoke with Ahmed Humayun from Applied Intuition and one of the signatories to the letter.\nLearn more about your ad choices. Visit podcastchoices.com/adchoices