North Korea has conducted amphibious landing and defensive drills while its military swore to maintain a readiness to “liberate” Seoul, the North’s state-run newspaper Rodong Sinmun reported on Sunday.

While the exact day of the training was not revealed, the publishing date indicated the North Korean training could have occured soon after the U.S. – ROK Ssang Yong training, a similar exercise which concluded on March 18.

“While suppressing enemies’ coastal defense, combatants landed on the coast to dismantle the obstructions while attacking enemies’ strongholds and command posts,” the Rodong Sinmun reads.

According to the article, the training was conducted to