Pentagon's generous budget is not likely to see cuts soon, even if Iraq war starts to wind down.
A move out of Iraq could save America $370 billion.
Russia sent two long-range bombers to Venezuela Wednesday and will send warships and soldiers for joint exercises in November.
Defense Secretary Robert Gates calls the aircraft procurement effort too flawed to continue.
Secretary Gates is likely to nominate a new civilian chief in days.
The services aren't delivering enough unmanned planes to war zones, the Defense secretary charges.
It says it needs billions of dollars more than the other services to stay competitive globally.
Other challenges – potential recession, budget deficits, and rising entitlement spending – could overshadow military priorities.
Besides its $515 billion request, the Defense Department wants another $70 billion to cover some of next year's war operations.