(CNN) -- Iran on Sunday unveiled what it says is a copy of a U.S. stealth drone that it "commandeered" in 2011.

"The drone was brought down by the Iranian Armed Forces' electronic warfare unit which commandeered the aircraft and safely landed it," the Iranian Tasnim News Agency reported.

Late last year, Iran announced it had "managed to reverse engineer most parts" of the drone, according to the Tasnim report.

The U.S. drone was identified as the RQ-170 Sentinel, made by Lockheed Martin.

Pictures of the aircraft taken during the unveiling ceremony attended by Iran's Supreme Leader, Ayatollah Ali Khamenei, were posted on Khamenei's official website.

U.S. officials told CNN in December 2011 that the drone was part of a CIA reconnaissance mission that involved both the intelligence community and military personnel stationed in Afghanistan.

Later that month, President Barack Obama asked Iran to return the drone to the U.S.

"We've asked for it back. We'll see how the Iranians respond," Obama said.

"No nation welcomes other countries' spy drones in its territory, and no one sends back the spying equipment and its information back to the country of origin," Gen. Hossein Salami, deputy commander of Iran's military, said at the time, according to the semiofficial Fars News Agency.

In photos of Sunday's ceremony, the U.S. drone was on display alongside the Iranian copy.

In February 2013, Iran said it had been able to decode surveillance footage from the captured drone and displayed it on YouTube.

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* Udh ane search di formil, kayaknya blm ada yg posting. Maaf kalo repost, coz berita lama.

Seperti biasa, negeri 1001 Mockup selalu nunjukin replika pesawat yg tidak pernah bs terbang..