Body scanners bought for Nigeria’s main airports in the wake of a Christmas Day bomb attempt remain unused months later, though officials said Wednesday that U.S. air marshals now protect flights coming into the West African nation.

Harold Demuren, director general of the Nigerian Civil Aviation Authority, said that the government still needs to train officers to man the screening devices already in place at Lagos’ Murtala Mohammed International Airport and at the international airport in Abuja.

READ MORE: Striking Kellogg's Workers Receiving 3% Raises In New Contract

However, Demuren said explosive detection equipment already being used and full body pat-downs for international passengers would make sure a similar attack “never happened again.”

“We want to make our airports extremely unfriendly to terrorists,” Demuren said at a U.S. Embassy-sponsored press conference.

The Nigerian government purchased 10 body scanners immediately after Umar Farouk Abdulmutallab allegedly attempted to bring down a Detroit-bound airliner with an explosive device hidden underneath his clothes. Abdulmutallab started his journey at Murtala Mohammed International Airport and only went through a metal detector before boarding his initial flight.

Security officials suggest that body scanners, which create detailed 3-D images of passengers’ figures, would have shown the explosives that prosecutors say Abdulmutallab hid inside his underwear. However, that equipment now sits idle as international passengers walk through security screening at Murtala Mohammed, the oil-rich nation’s busiest airport.

READ MORE: 87% Of Michigan's COVID ICU Patients Unvaccinated, Hospital Association Says

The U.S. gave Nigeria four full-body scanners for its international airports in 2008 to detect explosives and drugs. Those machines remain in use by federal anti-drug agents at the Lagos international airport and elsewhere, though Abdulmutallab did not undergo a screening.

Since the bombing attempt, relations soured between the U.S. and Nigeria, one of the country’s biggest suppliers of crude oil. The U.S. initially put Nigeria a list of “countries of interest” that included Afghanistan, Cuba, Iran and Libya, requiring incoming passengers to undergo additional screenings. That sparked a nationalist outcry in Nigeria that only calmed after the U.S. eased the restrictions.

The bombing attempt did, however, push Nigeria into signing an agreement allowing air marshals aboard international flights between the U.S. and Africa’s most populous nation. U.S. Ambassador Robin Renee Sanders told reporters Wednesday that the air marshal program to Nigeria began several months ago, but declined to elaborate.

Two direct flights now leave Lagos for the U.S.: a Delta Air Lines Inc. flight to Hartsfield-Jackson Atlanta International Airport and Nigerian carrier Arik Air’s flight to New York’s John F. Kennedy International Airport. Continental Airlines Inc. plans to launch new daily nonstop flights between Houston and Lagos late next year.

MORE NEWS: Democrats Renew Push For Gun-Control Legislation After Oxford High School Shooting

(Copyright 2010 by The Associated Press. All Rights Reserved.)