The Mangrove Prize Money case in 1902 revolved around the distribution of prize money obtained during the Spanish-American War. The USS Mangrove, a converted tugboat, captured three Spanish vessels off Cuba's coast and claimed them as war prizes. However, controversy arose over who should receive the prize money from these captures. According to naval custom at that time, such rewards were typically shared among a ship's crew members. Yet in this instance, several other parties also laid claim to portions of it - including officers from other ships involved in related operations and even some civilians who had provided assistance or information leading to the captures. The Supreme Court ruled that only those directly involved with capturing an enemy vessel could share in its resulting prize money – thus excluding all others claiming entitlements under broader interpretations of eligibility rules for such awards. This decision clarified how future wartime bounties would be distributed within U.S military ranks by emphasizing direct participation as a key criterion for reward eligibility.

The dissenting opinion in the case of The Mangrove Prize Money, 1902 argued that the lower court's decision to award prize money for a captured vessel during wartime should be upheld. This was based on the belief that naval officers and crew members were entitled to such rewards as per longstanding maritime tradition and law. Furthermore, it was contended that denying them this right would undermine morale among naval personnel who risk their lives in service of their country. The dissent also disagreed with the majority's interpretation of international law regarding neutral vessels, arguing instead for a more literal reading which would have allowed for seizure and subsequent reward under certain conditions.