A bereaved family member of a victim of the earthquake and tsunami prays in front of a coffin at a temporary mass grave site in Higashi-Matsushima, in Miyagi prefecture, northern Japan March 24, 2011. #

Members of the Japan Ground Self Defense Force carry the coffin of a victim of the earthquake and tsunami at a temporary mass grave site in Higashi Matsushima, northern Japan on March 23, 2011. Twenty-four bodies were buried temporarily on Tuesday and more are expected due to the lack of facilities to cremate bodies in the city. The site will be excavated to accommodate around 1,000 bodies in total. #

Aviation Boatswain's Mate (Handler) 3rd Class Emmanuel Gedeon, from Miami, checks sprinklers during a countermeasure wash-down on the flight deck of the aircraft carrier USS Ronald Reagan (CVN 76) off the coast of Japan, March 23, 2011 . Sailors scrubbed the external surfaces on the flight deck and island superstructure to remove potential radiation contamination while operating off the coast of Japan providing humanitarian assistance as directed in support of Operation Tomodachi. #

A traditional Japanese sandal, worn with formal kimono dress, lies in the rubble in the earthquake and tsunami destroyed town of Onagawa, Miyagi Prefecture, Japan on Sunday, March 20, 2011. #

Notes left behind by Japanese evacuees looking for loved ones inside a shelter in the earthquake and tsunami-destroyed town of Rikuzentakata, Japan on Monday, March 21, 2011. #

These two photos show a road devastated by March 11 massive earthquake (left) and the same road after restoration in Naka, Japan. The highway company restored the 150-meter section of the highway linking Tokyo and the quake-damaged Ibaraki prefecture in six days. The photos were taken on March 11, 2011, left, and on March 17, 2011, right. #

Destroyed vehicles are placed next to a runway, for disposal at Sendai airport, northeastern Japan on Thursday, March 24, 2011, following the March 11 earthquake and resulting tsunami. #

A woman sits motionless at an evacuee center for leaked radiation from the damaged Fukushima nuclear facilities, Friday, March 25, 2011 in Soma, Fukushima prefecture, Japan. #

A car sits on headstones in a cemetery in Higashimatsushima City, Miyagi Prefecture, Japan, Tuesday, March 22, 2011, following the March 11 earthquake and tsunami that devastated the northeast coast of Japan. #

Tayo Kitamura, 40, touches the covered body of her mother, Kuniko Kitamura, 69, after Japanese firemen discovered the dead woman inside the ruins of her home in Onagawa, northeastern Japan, Saturday, March 19, 2011, following the last week's earthquake and tsunami. #

Family members and relatives transfer the bones of Masaichi Oyama, who was killed by the tsunami, by chopsticks into an urn the during a cremation ceremony March 24, 2011 in Kurihara , Japan. The family lost three family members from the earthquake and tsunami. Under Japanese Buddhist practice, a cremation is the expected traditional way of dealing with the dead, but now with the death toll so high, crematoriums are overwhelmed and there is a shortage of fuel to burn them. Local municipalities are forced to dig mass graves as a temporary solution. #

A resident explains his fears during a town hall meeting on the impact of radiation exposure from the nearby leaking Fukushima nuclear facilities, Tuesday, March 22, 2011 in the town of Kawamata, Fukushima Prefecture, Japan. #

A young evacuee is screened at a shelter for leaked radiation from the damaged Fukushima nuclear plant, Thursday, March 24, 2011 in Fukushima, Fukushima prefecture, Japan. #

Efforts to spray water into the No. 4 reactor at the Fukushima Daiichi Nuclear Power Plant in Fukushima Prefecture, northeastern Japan, are seen in this March 22, 2011 handout photograph released by Tokyo Electric Power Co. #

This photo taken on March 23, 2011 shows people searching for their loved ones as they check bodies at a bowling alley converted into a makeshift morgue in Natori in Miyagi prefecture. #

Machiko Shimizu, a graduate from Okirai Junior High School, wipes her tears during a graduation ceremony at Okirai Kindergarten at Okirai district in Ofunato March 23, 2011. Classes stopped when the junior high school was hit by the March 11 tsunami. Students were kept away when it was used as a temporary morgue for earthquake and tsunami victims. On Wednesday, the students returned for a simple graduation ceremony held for 10 boys and 19 girls. #

A farmer drains milk into a pit in Iitate, in Fukushima, northeastern Japan, in this photo taken by Yomiuri Shimbun on March 23, 2011. Japanese authorities had temporarily advised against allowing infants to drink tap water in Tokyo due to raised radiation levels and the United States became the first nation to block some food imports from Japan, saying it will halt milk, vegetable and fruit imports from areas near the tsunami-damaged nuclear plant because of contamination fears. #

Ryo Taira (right) and an unidentified man lift a young porpoise out of a flooded rice field after it was swept there by the earlier tsunami in Sendai, Japan, on March 22, 2011. Taira found the porpoise struggling in the shallow water on Tuesday and after failing to net it, waded in to the field, which had yet to be sown with rice, to cradle the animal in his arms. #