Planes and ships involved in Malaysia jet search

(Rob Griffith/ Associated Press ) - Two Chinese Ilyushin IL-76s aircraft sit on the tarmac at RAAF Pearce base ready to join the search for the missing Malaysia Airlines flight MH370 in Perth, Australia, Sunday, March 23, 2014. More planes were joining the search Sunday of a remote patch of the southern Indian Ocean in hopes of finding answers to the fate of the missing Malaysia Airlines jet, after China released a satellite image showing a large object floating in the search zone.

PERTH, Australia — An intense search is underway in the southern Indian Ocean for signs of possible debris from the Malaysia Airlines Boeing 777 that went missing on March 8. Here’s a list of the countries taking part and what they have sent to help the search overseen by Australia from a military base near the southwestern city of Perth.