The move, announced by Defence Minister Itsunori Onodera, is the latest step by Tokyo to upgrade its military.
The radar will defend Japan from potential North Korean missile attacks.
Japan plans to buy two Aegis Ashore batteries that it wants to deploy in 2023 in an upgrade of its missile defence system that could help ease trade friction with Washington and provide cutting-edge protection against the arsenals of North Korea and China.
The candidates are Raytheon Co's SPY-6 and a version of Lockheed Martin Corp's Long Range Discrimination Radar (LRDR), the sources said.
The Sungai Besar Umno chief boasts he has been able to stay free although hunted by the police.
Argentina's navy is investigating an unusual noise with an unknown source that was detected in the South Atlantic.
Military spokesman says no such proposal received, Treasury secretary-general expresses surprise over report.
Anti-graft agency says it has received complaints on the matter, and will be taking statements from several customs officers to assist in the investigation.
Pelabuhan Tanjung Pelepas bekerjasama dengan pelbagai agensi kerajaan lain mengawal rapi kontena yang mengandungi peralatan canggih itu.
The department's director-general says it will now investigate if the SOP was adhered to when releasing the equipment.
Khaled berkata Kejadian sebegini boleh menjejaskan reputasi 3 pelabuhan di Johor yang kini dalam usaha untuk dijadikan pusat logistik serantau.
Towed sonar vehicle lost after striking 2,200-metre-high mud volcano in Indian Ocean search area on Jan 25.