Merrill's Marauders

5307th Composite Unit (provisional)
Shoulder sleeve insignia (SSI) of the 5307th Composite Unit
Active1943–1944
Country United States
Branch United States Army
TypeSpecial operations force
RoleDirect action
Long-range penetration
Jungle warfare
Raiding
Reconnaissance
Special operations
SizeRegimental
Nickname(s)Merrill's Marauders
EngagementsWorld War II
*Burma Campaign
Commanders
Notable
commanders
Frank Merrill
Charles N. Hunter

Merrill’s Marauders (named after Frank Merrill) or Unit Galahad, officially named the 5307th Composite Unit (Provisional), was a United States Army long range penetration special operations jungle warfare unit, which fought in the Southeast Asian theater of World War II, or China-Burma-India Theater (CBI). The unit became famous for its deep-penetration missions behind Japanese lines, often engaging Japanese forces superior in number.