The cameras and equipment used are those in the inventory of the SNOOPIE team which is the Ship’s Nautical or Otherwise Photographic and Interpretive Examination (SNOOPIE) team.
Here is a link to a blog for the USS Theodore Roosevelt (dated 2015) which provides a description of the SNOOPIE teams...LINK
One would presume they would have the best equipment, but I am not in a position to know.