A little more info, from the Dept of Defense website:
Performance Metric: Active Component end strength (Fiscal Year 2003)
Component........Authorized.........Actual
Army..................480,000.............499,301 (+4.0%) 19301
Navy...................375,700.............382,235 (+1.7%) 6535
Marine Corps.......175,000.............177,779 (+1.6%) 2779
Air Force.............359,000.............375,062 (+4.5%) 16062
Performance Metric: Reserve Component end strength (Fiscal Year 2003)
Component.......................Authorized.........Actual
Army National Guard...........350,000.............351,089 (+0.3%) 1089
Army Reserve....................205,000.............211,890 (+3.4%) 6890
Naval Reserve......................87,800..............88,156 (+0.4%) 356
Marine Corps Reserve...........39,558..............41,046 (+3.8%) 1488
Air National Guard...............106,600............108,137 (+1.4%) 1537
Air Force Reserve.................75,600..............74,754 (-1.1%) -846
Coat Guard Reserve...............9,000................7,720 (-14.2%) -1280
So overall, the military had 54,000 more troops than required for 2003, with the only areas with empty billets was the AF reserve and CG reserve
http://www.dod.mil/comptroller...erformance_Metrics.pdf