You have a Collins Survival Machete/Survival Knife - the V-44.
'V-44' has no relevance beyond being the identifier in a supply catalog.
First developed in 1934, for flying personnel in Panama and Hawaii, it was carried in a jungle bail-out kit attached to the parachute harness.
The Collins No. 18 was the first type, and remained standard until 1942, and they supplied 50,000 of them between 1934 and 1942.
They were also supplied by Case, Kinfolks and Western.
They were an ideal survival machete - the drawback for normal usage was their size - but for clearing brush and building shelters, they were handy.
Additionally, they were used in the Pacific by the Marines - but those are usually numbered, with 'U.S.M.C' - and most had a green horn handle - the black composition ones were of normal issue, procured through 'regular' channels, and yours would seem to fill that description.
The relatively thin blade makes it a poor choice for a fighting Bowie - the principal advantage being it's size being psychological - adding a 'dangerous' look.
They remained somewhat 'available' through supply channels for a long time, before they found their way onto the surplus market.
Some were even modified by individual SF guys who added 'sawteeth' for the added 'fiend appeal'.
Vaya,
Scouts Out
(Information from several sources - 'U.S. Military Knives' by Cole being predominant)