Apache Junction

Back at the hottest part of the Iran-Iraq Tanker War in 1987-89, Operation Prime Chance saw Army SOAR Little Birds and OH-58s deploying from FFGs as well as two leased Brown & Root crane barges dubbed Mobile Sea Base Hercules and Mobile Sea Base Wimbrown 7. Set-up in the Northern Persian Gulf, the latter supported eight MkIII 65-foot patrol boats and an array of Army AH-64D Longbow Apaches, Navy Seahawks for C-SAR while they were protected by Marine air defense units to pop interloping low-flying tangos.

An aerial view of the leased barge Hercules with three PB Mark III patrol boats and the tugboat Mister John H tied up alongside. The barge is part of Operation Prime Chance, supporting U.S. Navy efforts to provide security for U.S.-flagged shipping in the Persian Gulf. 1 January 1989 Photographer’s Mate 1st Class Smith DNST8908773

Fast forward to 2020 and the concept is fully fleshed out some 30 years later with the 78,000-ton purposely-built expeditionary mobile base vessels of the USS Lewis B. Puller (ESB-3) class.

USS Lewis B. Puller (ESB 3) employs a flight deck for helicopter operations. ESB 3 is able to carry at least four MH-53E helicopters or five Twenty-Foot Equivalent Unit Military Vans and still have room to maneuver and store other equipment.

Puller has a dozen weapon stations (think M2 .50 cals) to protect against small boats, and the ability to support at least four CH-53-sized helicopters and 300 mission crew.

Recently, Puller showcased Task Force Saber, an Army AH-64 unit, which caused a lot of interest from Iranian Revolutionary Guard guys last week.

Official caption: Soldiers of Task Force Saber conduct rotary-wing deck landing operations with the U.S. Navy onboard the USS Lewis B. Puller in the Persian Gulf April 15-16, 2020. Task Force Saber utilized the USS Puller as a maritime base to practice launching rotary-wing assets. (U.S. Army video by Sgt. Trevor Cullen):

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