The Air Force's block-buy acquisition strategy for two major space programs has yielded enough savings to protect those programs from near-term sequester cuts, according to the service's acting under secretary. Jamie Morin told reporters today that the service's Efficient Space Procurement (ESP) approach to space acquisition -- which allows it to procure satellites over the course of several years using advanced appropriations authority -- will save the service close to $2.5 billion over the next five years on Space-Based Infrared...