The Pentagon is already investigating flaws in the Osprey, which crashed twice last year, killing 23 marines.

The Pentagon is investigating other possibilities, including exposure to pesticides and smoke from oil-well fires.

The Pentagon investigated the matter and has not been able to find any documentary evidence confirming the allegations.

The administration said that the Pentagon had thoroughly investigated the events.

The Pentagon is investigating suspected sales of improved Soviet-made Scud missiles to third-world countries.

The Committee to Protect Journalists and a number of human rights organizations have repeatedly asked the Pentagon to investigate these abuses.

The Pentagon is also investigating whether she lied on the form.

The office wants Congress to order the Pentagon to investigate other methods such as lasers fired from the ground or installed in satellites.

The Pentagon is investigating reports that two prisoners died while in American custody at Bagram.

The Pentagon is investigating.