The Defense Department's $708 billion fiscal 2011 budget request closely adheres to priorities set forth in the 2010 Quadrennial Defense Review.
The administration says the government's spending has doubled, but the size of the workforce has remained generally constant.
The administration has proposed only a small increase for IT spending in fiscal 2011.
The administration wants $43.59 billion for the Homeland Security Department in fiscal 2011 compared with the $42.60 billion that the department got for this year.
The White House's $79 billion IT budget includes plans for centralizing IT services, consolidating data centers and more cloud computing.
Defense spending bill includes measures to reduce spending on contractor outsourcing and new programs to reduce fraud and abuse.
DHS prepares for less funding with reviews of major buys, including IT acquisitions, official says.
Federal, state and local governments are projected to spend $15 billion in 2014 for the IT systems that support their public health and health insurance programs.
The Senate has passed legislation to fund the Homeland Security Department that would increase spending for major information technology programs. The House also approved the measure.
Personnel and equipment costs might cut deeply into key defense acquisition programs over the next several years, reports Michael Bruno at Aviation Week.