But in a joint statement, the two countries also spoke of 'close co-operation'. It comes after President Rodrigo Duterte has spoken against American troops being stationed in the Philippines and threatened to scrap joint exercises.
Here's our US correspondent Lorna Shaddick.
IN: The joint statement...
OUT: SOC
DUR: 44 seconds
POT: 37 seconds
AIR: http://www.fsnradionews.com/feeds/1122philippines-ls-air.mp3
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ICRT: http://www.fsnradionews.com/feeds/1122philippines-ls-icrt.mp3
NIGERIA: http://www.fsnradionews.com/feeds/1122philippines-ls-von.mp3
RNZ: http://www.fsnradionews.com/feeds/1122philippines-ls-rnz.mp3
SRN: http://www.fsnradionews.com/feeds/1122philippines-ls-srn.mp3
VATICAN: http://www.fsnradionews.com/feeds/1122philippines-ls-vat.mp3
ZIZ: http://www.fsnradionews.com/feeds/1122philippines-ls-ziz.mp3
938: http://www.fsnradionews.com/feeds/1122philippines-ls-938.mp3