Q. Statistics on U.S. military personnel, casualty and procurement? Drone Strikes?

The following Department of Defense sites have statistics on personnel, procurement, and facilities:

• Active duty personnel by service (1954+), region/country (1950, 1953+), rank/grade (1997+), and selected medical care facilities (1978-1996).
• Civilian personnel statistics 1950+ with various breakdowns.
• Military casualty information 1980+ with varying breakdowns (by type (by service, by gender, by race, by operation, and non-hostile deaths). Summaries are including for principal U.S. wars starting with the Revolutionary War.
• Federal Procurement Data Program

Military One Source provides military community demographics.

The Bureau of Investigative Journalism tracks drone strikes.