The Air Force is open to all kinds of proposals for the next Ground Based Strategic Deterrent contract, including a teaming approach between prime contractors Boeing and Northrop Grumman, according to the service’s acquisition executive. "We modified our request for proposals to make it very clear we are open for all types of proposals, so we are open to proposals where there is teaming, we're open to proposals where there are prime-subcontract relationships. The government has no perspective, no position...