Host-nation support offsets a portion. Click a row to see historical trend.
| Country | Engagement | Annual Aid / yr | Basing Cost / yr | Host Offset | US Troops | Total US Outlay | Cumulative (2024$) |
|---|
Sources: RAND Corp OSD, DMDC, DoD Base Structure Report, Congressional Budget Office · All figures constant 2024 USD · ▼ Click column headers to sort
Cold War peak basing costs (1960s–70s) reflect Vietnam-era global posture. Post-Cold War drawdown cut overseas forces ~60%. Post-9/11 surge driven by Iraq/Afghanistan operational costs.
▸ Environmental cleanup, post-closure costs often excluded
▸ Personnel entitlements (COLA, BAH) = ~40% of total cost
SIPRI · OMB Historical Tables · CEA — hover bars for exact values & dollar amount
Watson Institute (Brown Univ.), CRS estimates · Watson Inst. Costs of War Project
OMB Historical Tables · Defense spending as % of total federal discretionary spending
Sources: DMDC, DoD Base Structure Report, American Forces Press Service · ~750 bases in 80+ countries (est.) S1 S2
| Country | US Citizens (est.) | Scale | Notes | Source |
|---|
| Conflict / Operation | Years | KIA | Total Deaths (incl. non-hostile) | Wounded | Relative Scale |
|---|
Source: Defense Manpower Data Center (DMDC), DoD Military Casualty Statistics, Congressional Research Service
| Event | Year | Deaths |
|---|---|---|
| September 11 Attacks | 2001 | 2,977 |
| Oklahoma City Bombing | 1995 | 168 |
| 1993 World Trade Center | 1993 | 6 |
| Pulse Nightclub, Orlando | 2016 | 49 |
| San Bernardino | 2015 | 14 |
| Boston Marathon Bombing | 2013 | 3 |
| Chattanooga Shootings | 2015 | 5 |
| Las Vegas (domestic terror) | 2017 | 60 |
| Event | Year | Deaths |
|---|---|---|
| Beirut Marine Barracks Bombing | 1983 | 241 |
| Khobar Towers Bombing (Saudi Arabia) | 1996 | 19 |
| US Embassy Bombings (Kenya/Tanzania) | 1998 | 12 |
| USS Cole Bombing (Yemen) | 2000 | 17 |
| Benghazi US Consulate Attack | 2012 | 4 |
| Niger Ambush (Niger) | 2017 | 4 |
| Jordan (Tower 22 Drone Strike) | 2024 | 3 |
| Country | Region | Military Aid Cumulative 2024$ |
Civilian Aid Cumulative 2024$ |
Basing / Troops Annual 2024$ |
US Troops | Total Commitment Cumul. + Annual |
Type |
|---|
All figures constant 2024 USD. Basing costs = annual direct DoD cost. Cumulative aid 1946–2024. Sources: USAID Explorer (S10), DSCA (S11), RAND/DoD (S20), CBO (S21), BLS CPI-U (S22).