The US Air Force is stripping most of the identifying information off of its biggest planes

• US Air Mobility Command has ordered its refueling and cargo planes to obscure their identifying markings.
• The command says the move is a response to security concerns related to its worldwide operations.
• A government watchdog is worried by a move that limits information available to the public for little reason.

Air Mobility Command has directed its refueling and cargo planes to obscure the majority of identifying information painted on the aircraft, citing national security concerns — an unusual move that is alarming to government watchdogs.