The B-2 Spirit military aircraft passes under the Goodyear airship above Colorado Boulevard during the Rose Parade in Pasadena, Calif., Wednesday, Jan. 1, 2020. (Dean Musgrove/The Orange County Register via AP)
This photo released by the Iraqi Prime Minister Press Office shows a burning vehicle at the Baghdad International Airport following an airstrike, in Baghdad, Iraq, early Friday, Jan. 3, 2020. The Pentagon said Thursday that the U.S. military has killed Gen. Qassem Soleimani, the head of Iran's elite Quds Force, at the direction of President Donald Trump. (Iraqi Prime Minister Press Office via AP)
A US army apache helicopter drops flares over Baghdad's high-security Green Zone on December 31, 2019, after Iraqi supporters of pro-Iran factions breached the outer wall of the US embassy over weekend air strikes that killed pro-Iran fighters in western Iraq. - Several thousand protesters attacked the US embassy in the Iraqi capital today in anger at US air strikes that killed more than two dozen paramilitary fighters at the weekend. The US State Department said that personnel at the embassy in Baghdad are safe and there are no plans to evacuate, after Iraqi supporters of pro-Iran factions attacked the compound. (Photo by AHMAD AL-RUBAYE / AFP) (Photo by AHMAD AL-RUBAYE/AFP via Getty Images)
Iraqi security forces are deployed in front of the US embassy in the capital Baghdad, after an order from the Hashed al-Shaabi paramilitary force to supporters to leave the compound on January 1, 2020. - Thousands of Iraqi supporters of the largely Iranian-trained Hashed had encircled and vandalized the embassy compound, outraged by US air strikes that killed 25 fighters of the military network. (AHMAD AL-RUBAYE/AFP via Getty Images)
Paratroopers assigned to 1st Brigade Combat Team, 82nd Airborne Division walk as they prepare equipment and load aircraft bound for the U.S. Central Command area of operations from Fort Bragg, N.C., Saturday, Jan. 4, 2020. (Spc. Hubert Delany III/U.S. Army via AP)
U.S. Air Force personnel load 1st Brigade Combat Team, 82nd Airborne Division equipment onto a C-17 Globemaster aircraft bound for the U.S. Central Command area of operations from Fort Bragg, N.C., Saturday, Jan. 4, 2020. (Spc. Justin Stafford/U.S. Army via AP)
In this Saturday, Jan. 4, 2020, photo, released by the U.S. military, a U.S. Marine with 2nd Battalion, 7th Marines that is part of a quick reaction force, carries a sand bag during the reinforcement of the U.S. embassy compound in Baghdad, Iraq. The blowback over the U.S. killing of a top Iranian general mounted Sunday, Jan. 5 as Iraq's Parliament called for the expulsion of American troops from the country — a move that could allow a resurgence of the Islamic State group. (U.S. Marine Corps photo by Sgt. Kyle C. Talbot via AP)
In this photo provided Friday, Dec. 27, 2019, by the Iranian Army, a Chinese PLA NavyType 052D guided missile destroyer and a second warship sail while approaching to the Iran's southeastern port city of Chahbahar, in the Gulf of Oman. Iran's Navy on Friday kicked off the first joint naval drill with Russia and China in the northern part of the Indian Ocean. (Iranian Army via AP)
Israeli troops are pictured in the Israeli-annexed Golan Heights on the border with Syria on January 3, 2020. - Israeli Prime Minister Benjamin Netanyahu cut short a visit to Greece and flew home as Lebanon's Hezbollah demanded revenge for the killing of a top Iranian commander in a US strike. (JALAA MAREY/AFP via Getty Images)
The flight deck is lit by the red glow of the fires as the aircrew of a C-130J Hercules attempt to land at Merimbula airfield to drop off Fire and Rescue crews from the Mid-North Coast region of NSW, to assist fighting the bushfires on January 5, 2020 in Merimbula, Australia. A state of emergency is in place across NSW as firefighters battle 150 fires, 64 of which are uncontained. (Photo by Corporal Nicole Dorrett / Australian Department of Defence via Getty Images)
HMS Prince of Wales on December 30, 2019 in Portsmouth, England. HMS Prince of Wales and HMS Queen Elizabeth, the Royal Navy's latest aircraft carriers, are currently docked together in Portsmouth Harbour. The two aircraft carriers, which cost GBP 3.1 Billion each, are the largest and most advanced warships ever built for the navy and are expected to be in service for the next 50 years. (Photo by Peter Summers/Getty Images)
A KC-35 Stratotanker from McConnell Air Force Base flies over Arrowhead Stadium before an NFL football game between the Kansas City Chiefs and the Los Angeles Chargers Sunday, Dec. 29, 2019, in Kansas City, Mo. (AP Photo/Charlie Riedel)
Children feed birds next to the Soviet submarine B-396 'Komsomol member of Novosibirsk' displayed in the Museum of Russia's Navy in Moscow on December 26, 2019. - B-396 submarine was on combat duty from 1981 till 1998 in the Soviet and then Russian Northern Fleet. (ALEXANDER NEMENOV/AFP via Getty Images)