The Defense Information Systems Agency (DISA), responsible for technology management at the Pentagon and other defense-related agencies, posted a request for proposal on October 22 seeking companies capable of managing devices made by Apple, Google, and RIM, with the intent of awarding the contract in April. The request implies a shift is coming away from the previous near-universal standard of BlackBerry devices at the US Military's headquarters. The request for proposals was posted the same day that US Immigration and Customs Enforcement Agency said that it would end its contract with RIM in