Yup, sealift. For one of examples, see HSV-2 Turns up off Aden (when it comes to ships, Jane's remains 'unbeatable').

...and the SPH is the (South African-made) G-6. I saw another video with M-ATVs too.

One of UAEGF units idenitifed so far is the 42nd Mechanized Battalion (BMP-3s).