Originally published in 1971, and now published with a new foreword, this is a book of enduring value and lasting relevance. The authors detail the application, history, and controversies surrounding the Planning, Programming, and Budgeting System (PPBS), used to evaluate military needs and to choose among alternatives for meeting those needs.

The Commission was directed to assess the organization and management of space activities in support of U.S. national security.

The most comprehensive account to date of the 9/11 attack on the Pentagon and aftermath, this volume includes unprecedented details on the impact on the Pentagon building and personnel and the scope of the rescue, recovery, and caregiving effort. It features 32 pages of photographs and more than a dozen diagrams and illustrations not previously available.

Through extensive primary source analysis and independent analysis, this report seeks to answer a number of important questions regarding the state of China’s armed forces. The authors found that the PLA is keenly aware of its many weaknesses and is vigorously striving to correct them. Although it is only natural to focus on the PLA’s growing capabilities, understanding the PLA’s weaknesses—and its self-assessments—is no less important.