Applicants earlier developments of {HEAD ~ marine vehicles} using {TAIL ~ artifically pressurized supporting gas cushions} have been successful and have resulted in a number of vehicles being built 
using
Applicants earlier developments of { HEAD ~ marine vehicles } using { TAIL ~ artifically pressurized supporting gas cushions } have been successful and have resulted in a number of vehicles being built
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH