The following are 10 duplicative spending programs for Unmanned Aircraft Systems (Ground Control Stations) across 4 agencies:
Source: Table 2, Appendix III, "Opportunities to Reduce Duplication, Overlap and Fragmentation, Achieve Savings, and Enhance Revenue," Government Accountability Office, 2/28/2012
| Agency | Details |
| Air Force | MD-1A/B/C/D |
| Navy | MQ-4C Broad Area Maritime Surveillance (BAMS) FOB/MOB |
| Air Force/Navy | RD-2A/B |
| Army | Hummingbird/Argus GCS |
| Army | Legacy GCS |
| Army | UGCS |
| Navy | Fire Scout GCS |
| Army/USMC | Shadow GCS |
| Navy/USMC | Small Tactical Unmanned Aircraft Systems (STUAS GCS) |
| Army/USMC | OSGCS BLK I/II/III |
Source: Table 2, Appendix III, "Opportunities to Reduce Duplication, Overlap and Fragmentation, Achieve Savings, and Enhance Revenue," Government Accountability Office, 2/28/2012