Littoral Mission Ship Batch 2 or LMSB2 is a corvette type warship based on Ada-class corvette which is this acquisition program carried out by Royal Malaysian Navy (RMN) to fulfill the 15 to 5 fleet modernization program.

[1] The LMSB2 program is a continuation of the Littoral Mission Ship Batch 1 or LMSB1 program which saw the arrival of Keris-class littoral mission ship into RMN's inventory.

[3] At the beginning of this procurement program, RMN has chosen the Keris-class ships made in China as the first batch.

Among the companies that offer their products are HD Hyundai Heavy Industries with HDC 2000, Fincantieri with FCX, Damen Group with Sigma, Dearsan with C92 and STM with Ada.

[4] In 2024, Malaysia chose Ada-class corvette as a based design for its LMSB2.