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The following is an extensive catalogue of the variants and specific unique elements of each variant and/or design stage of the Lockheed P-3 Orion maritime surveillance aircraft. For a broader article on the history of the P-3, see Lockheed P-3 Orion. ==P-3A and Variants== *P-3A: The original production version; 157 built. *P-3A (CS): Four P-3A aircraft were reequipped with AN/APG-66 radars for use by U.S. Customs and Border Protection's Office of Air and Marine. *EP-3A: Seven modified for electronic reconnaissance testing. *NP-3A: Three modified for the U.S. Naval Research Laboratory. *RP-3A: Two modified for scientific uses for the former Oceanographic Development Squadron EIGHT (VXN-8) at NAS Patuxent River. *TP-3A: 12 modified for training duties in Fleet Replacement Squadrons with all ASW gear removed. *UP-3A: 38 reconfigured as utility transports with all the ASW gear removed. *VP-3A: Three WP-3A and two P-3A aircraft converted into VIP/staff transports. *WP-3A: Four converted for weather reconnaissance. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of Lockheed P-3 Orion variants」の詳細全文を読む スポンサード リンク
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