Contracts and orders

FILE - In this Dec. 19, 2020, file photo, an Afghan security official stands near a vehicle in which rockets were placed, in Bagram, north of Kabul, Afghanistan, Saturday, Dec. 19, 2020, after five rockets were fired at a major U.S. base in Afghanistan. The U.S. military has met its goal of reducing the number of troops in Afghanistan to about 2,500 by Friday, a drawdown that appears to violate a last-minute congressional prohibition. (AP Photo/Rahmat Gul, File)

Health workers remove the body of a COVID-19 victim from a container, being used as a makeshift morgue, to turn over to a family outside the Joao Lucio public Hospital in Manaus, Amazonas state, Brazil, Monday, Jan. 4, 2021. (AP Photo/Edmar Barros)

In this photo released by the Atomic Energy Organization of Iran, spokesman of the organization Behrouz Kamalvandi, center, briefs the media while visiting Fordo nuclear site near Qom, south of Tehran, Iran Saturday, Nov. 9, 2019. Joe Biden has an Iran problem. And, it’s getting more complicated by the day. Thanks to provocative moves by Iran and less-than-coherent actions by the outgoing Trump administration, the president-elect is facing an increasingly uncertain situation when it comes to Iran, a decades-long American nemesis that has been a target of blame for much of the Middle East's instability, (Atomic Energy Organization of Iran via AP)

FILE - In this Nov. 16, 2020 file photo, a man wearing a mask passes the New York Stock Exchange, in New York. U.S. stocks are falling from their record highs Monday, Jan. 4, 2021, as trading gets underway in a year where the dominant expectation is for a powerful economic rebound to eventually sweep the world. (AP Photo/Mark Lennihan, File)

Pedestrians wearing masks to protect against coronavirus pass a sign for doctors rooms in Johannesburg Tuesday, Dec. 29, 2020. South African President Cyril Ramaphosa has declared the wearing of masks compulsory and has reimposed a ban on the sales of alcohol and ordered the closure of all bars as part of new restrictions to help the country battle a resurgence of the coronavirus, including a new variant. (AP Photo/Denis Farrell)

In this photo provided by United States Forces Korea, Gen. Robert B. Abrams, Commanding General for United States Forces Korea, receives the COVID-19 vaccine at Brian D. Allgood Army Community Hospital, U.S. Army Garrison Humphreys, in Pyeongtaek, South Korea, Tuesday, Dec. 29, 2020. The United States has started vaccinating its troops based in South Korea, as its Asian ally reported its highest daily COVID-19 fatalities amid surging cases in the country.(Staff Sgt. Kris Bonet/United States Forces Korea vis AP)

A medical worker wearing protective gear takes samples from a woman during a COVID-19 testing at a coronavirus testing site in Seoul, South Korea on Dec. 12, 2020. South Korea had seemed to be winning the fight against the coronavirus: Quickly ramping up its testing, contact-tracing and quarantine efforts paid off when it weathered an early outbreak without the economic pain of a lockdown. But a deadly resurgence has reached new heights during Christmas week, prompting soul-searching on how the nation sleepwalked into a crisis. (AP Photo/Lee Jin-man)

Nurse Arzu Yildirim poses for the photographer as she holds a CoronaVac vaccine, made by Sinovac, currently on phase III clinical trials at Acibadem Hospital in Istanbul, Monday, Dec. 21, 2020. Turkey has ordered 50 million doses of the vaccine and Health Minister Fahrettin Koca said last week that the first batch was expected to arrive within days and vaccination could start at the end of December or early January.Some 12,500 volunteers are taking part in Phase 3 trials of the vaccine across Turkey but the full vaccination programme is expected to start before the trial is completed. (AP Photo/Emrah Gurel)

Surgeon General of the U.S. Jerome Adams, left, elbow-bumps Emergency Room technician Demetrius Mcalister after Mcalister got the Pfizer COVID-19 vaccination at Saint Anthony Hospital in Chicago, on Tuesday, Dec. 22, 2020. (Youngrae Kim/Chicago Tribune via AP, Pool)

Surgeon General of the U.S. Jerome Adams, left, elbow-bumps Emergency Room technician Demetrius Mcalister after Mcalister got the Pfizer COVID-19 vaccination at Saint Anthony Hospital in Chicago, on Tuesday, Dec. 22, 2020. (Youngrae Kim/Chicago Tribune via AP, Pool)