By HOPE YEN WASHINGTON (AP) -- An expedition is being planned for this summer to the upper reaches of Turkey's Mount Ararat where organizers hope to prove an object nestled amid the snow and ice is Noah's Ark.A joint U.S.-Turkish team of 10 explorers plans to make the arduous trek up Turkey's tallest mountain, at 17,820 feet, from July 15 to August 15, subject to the approval of the Turkish government, said Daniel P.