NOSE PLUG U.S. Navy Petty Officer 2nd Class David Mathews installs a set of screws after replacing a nose plug on a laser guided bomb unit aboard the Nimitz-class nuclear-powered aircraft carrier USS Ronald Reagan, July 23, 2008. The nose plug is removed in order to attach a lift bar to the bomb to be used in a manual lift. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 251711-X-MPE95-763.jpg Photo Gallery