WASHINGTON — House Republicans' "fiscal cliff" counteroffer to President Barack Obama hints at billions of dollars in military cuts on top of the nearly $500 billion that the White House and Congress backed last year, and even the fiercest defense hawks acknowledge that the Pentagon faces another financial hit.

The proposal that House Speaker John Boehner, R-Ohio, and other Republican leaders sent to the White House this week calls for cuts of $300 billion in discretionary spending to achieve savings of $2.2 trillion over 10 years. The blueprint offered no specifics on the cuts, although the Pentagon and defense-related departments such as Homeland Security and State make up roughly half of the federal government's discretionary spending.

By any credible calculation, the military, which is still coming to grips with the half-trillion-dollar cut in last year's deficit-cutting law, is looking at an additional $10 billion to $15 billion cut in projected defense spending each year for the next decade. It's a prospect that Republicans recognize is the new reality, with wars in Iraq and Afghanistan ending and deficits demanding deep cuts.