Taking to Twitter, Singh said, "Paid tributes to Pujya Bapu (Mahatma Gandhi) at his statue in Honolulu, Hawaii."
He also laid a wreath at the National Memorial Cemetery of the Pacific in Hawaii.
"Raksha Mantri Shri @rajnathsingh laying wreath at the National Memorial Cemetery of the Pacific in Hawaii," Office of Defence Minister tweeted.
Singh on Tuesday (local time) reached Hawaii for a brief visit to the Headquarters of the United States Indo-Pacific Command (USINDOPACOM).
On his arrival from Washington DC, Singh was received by Commander, USINDOPACOM, Admiral John Aquilino.
The USINDOPACOM and Indian military have wide-ranging engagements, including a number of military exercises, training events and exchanges.
The annual Malabar series of exercises between India, US , Australia, and Japan is also coordinated by USINDOPACOM.
Notably, Singh arrived in Washington DC on Sunday as part of his five-day US visit, which included the India-US 2+2 ministerial dialogue on April 11.