Are these Std missiles be fired in Sea Skimming mode or they are fired in ballistic parabolic curve?

Both SM-1 and SeaSparrow are launched in a ballistic curve, at least going from this footage of a very recent NATO exercise, where several frigates sunk a former PN patrol ship with them.

http://www.marinha.pt/SIRP/Missil_04.05.06.wmv

Full story here (only in portuguese):

http://www.marinha.pt/Marinha/PT/Menu/NoticiasAgenda/Noticias/Comunicado+dia+04.htm