Flournoy said the task of deterring China while seeking avenues of cooperation was hindered by divisions in the U.S.
Last year was a disaster for North Korean leader Kim Jong Un.
North Korea displayed new submarine-launched ballistic missiles under development and other military hardware.
Vice Adm. Kitchener said the LCS is a useful tool in the Pacific, where the Navy is focused on littoral operations.
Kim’s comment were seen as an effort to apply pressure on the incoming government of President-elect Joe Biden.
"Taiwan may well play a role in the growing Sino-American rivalry similar to Europe's during the Soviet-American Cold War."
Beijing's animosity has increased dramatically since Taiwanese President Tsai Ing-wen won election in 2016.
The Navy said the destroyers USS John S. McCain and USS Curtis Wilbur "conducted a routine Taiwan Strait transit."
China called the McCain's movements "a serious violation" of its sovereignty and security.
Russia has sought to develop stronger ties with China as its relations with the West have sunk to post-Cold War lows.
Being a "Ranger" and having earned a Ranger "tab" is often confused due to the similarity of their names.
Once again, veterans will be given a financial break on money owed to Uncle Sam.
A SEAL Team 6 member who pleaded guilty to involuntary manslaughter in the hazing death of Army Staff Sgt. Logan Melgar in...
Guard officials said that approximately 7,000 troops would likely remain in D.C. through the end of January.
Many survivors will see at least $400 more in their Feb. 1 annuity payments.