Central Command's report on redirecting 100 commercial vessels over six weeks frames the operation as enforcement of existing sanctions authorities under Executive Order 13846 and related statutes. Primary documents from the Department of the Treasury's Office of Foreign Assets Control detail prohibitions on petroleum shipments from Iranian ports, yet the scale of interdictions points to operational tempo exceeding prior phases documented in 2019-2020 maximum pressure records. Shipping data patterns from the International Maritime Organization's AIS tracking archives reveal rerouting clusters toward alternative terminals in Oman and the UAE, producing measurable delays in VLCC arrivals at Asian refineries. Multiple perspectives emerge from the record: US Central Command statements emphasize compliance verification without kinetic engagement, while Iranian state maritime declarations assert continued export volumes via non-sanctioned flags. Parallel precedents appear in the 2022 shadow fleet expansions around Russian crude, where similar vessel diversions correlated with temporary spikes in Baltic and Mediterranean freight rates before market adaptation. The original coverage understates secondary effects on LNG spot pricing and hull availability, as evidenced in Baltic Exchange indices from concurrent periods. Primary source comparison with archived CENTCOM releases shows consistent emphasis on sanctions implementation rather than novel blockade terminology.