Cross Highlights International Military Exercise

An Associated Press article about the tensions between China and the United States had an interesting photo as a lead in:

philcrossAt least one cross, with a second cresting the hill in the background.  The caption for the photograph doesn’t say what the crosses are, just that the photo is of a military exercise:

Philippine troops man their positions on top of a hill during joint U.S.-Philippines military exercises at Crow Valley, Philippines, April 14, 2016. With tensions rising in the South China Sea, The Pentagon said that nearly 300 American troops will remain in the Philippines through the end of the month following annual war games that ended Friday.
Bullit Marquez/AP