5 takeaways from Obama's trip to Asia

Manila, the Philippines (CNN) -- After four countries, three formal state dinners, two speeches to American troops and one encounter with a menacing humanoid robot, President Barack Obama flies home Tuesday having completed his long-awaited trip to Asia.

The goals for the visit were ambitious: reassure allies the United States remains committed to a "pivot to Asia," secure new deals to expand trade, and send a message to China that the United States has its allies' backs in territorial disputes.

Some of those goals were met; others less so. Here are five takeaways from Obama's trip to Asia:

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