
** FILE ** This photo released on Thursday, Dec. 8, 2011, by the Iranian Revolutionary Guard claims to show the chief of the aerospace division of the Guard, Gen. Amir Ali Hajizadeh (left), listening to an unidentified colonel as he points to a U.S. RQ-170 Sentinel drone that Tehran said its forces had downed earlier in the week. (AP Photo/Sepahnews)

This photo released Dec. 8, 2011, by the Iranian Revolutionary Guards claims to show Gen. Amir Ali Hajizadeh (left), the chief of the aerospace division of Iran's Revolutionary Guards, listening to an unidentified colonel as he points to a U.S. RQ-170 Sentinel drone that Tehran said its forces downed earlier in the week. (Associated Press/Sepahnews)

This file photo released on Thursday, Dec. 8, 2011, by the Iranian Revolutionary Guards, claims to show the chief of the aerospace division of Iran's Revolutionary Guards, Gen. Amir Ali Hajizadeh, left, listening to an unidentified colonel as he points to US RQ-170 Sentinel drone which Tehran says its forces downed earlier this week. (AP Photo/Sepahnews, File)

This photo released Dec. 8, 2011, by the Iranian Revolutionary Guards and taken at an undisclosed location claims to show a U.S. RQ-170 Sentinel drone that Tehran said its forces downed earlier in the week. (Associated Press/Sepahnews)

This photo released Dec. 8, 2011, by the Iranian Revolutionary Guards claims to show a U.S. RQ-170 Sentinel drone that Tehran said its forces downed earlier in the week, as an unidentified colonel talks to Gen. Amir Ali Hajizadeh (left), chief of the aerospace division of Iran's Revolutionary Guards, in an undisclosed location in Iran. (Associated Press/Sepahnews)

This photo released Dec. 8, 2011, by the Iranian Revolutionary Guards claims to show a U.S. RQ-170 Sentinel drone that Tehran said its forces downed earlier in the week, as Gen. Amir Ali Hajizadeh (right), chief of the aerospace division of Iran's Revolutionary Guards, listens to an unidentified colonel in an undisclosed location in Iran. (Associated Press/Sepahnews)

This photo released Dec. 8, 2011, by the Iranian Revolutionary Guards claims to show Gen. Amir Ali Hajizadeh (left), the chief of the aerospace division of Iran's Revolutionary Guards, listening to an unidentified colonel as he points to a U.S. RQ-170 Sentinel drone that Tehran said its forces downed earlier in the week. (Associated Press/Sepahnews)

** FILE ** This photo released on Thursday, Dec. 8, 2011, by the Iranian Revolutionary Guard claims to show the chief of the aerospace division of the Guard, Gen. Amir Ali Hajizadeh (left), listening to an unidentified colonel as he points to a U.S. RQ-170 Sentinel drone that Tehran said its forces had downed earlier in the week. (AP Photo/Sepahnews)

** FILE ** This photo released on Thursday, Dec. 8, 2011, by the Iranian Revolutionary Guard claims to show the chief of the aerospace division of the Guard, Gen. Amir Ali Hajizadeh (left), listening to an unidentified colonel as he points to a U.S. RQ-170 Sentinel drone that Tehran said its forces had downed earlier in the week. (AP Photo/Sepahnews)