2019 American resupply spaceflight to the ISS
SpaceX CRS-18 , also known asSpX-18 , wasSpaceX 's 18th flight to theInternational Space Station under theCommercial Resupply Services program forNASA . It was launched on 25 July 2019 aboard aFalcon 9 rocket.[ 6] [ 7]
The sameDragon capsule has previously flown to the ISS inApril 2015 andDecember 2017 .[ 8]
In February 2016, it was announced that NASA had awarded a contract extension to SpaceX for five CRS additional missions (CRS-16 toCRS-20 ).[ 9]
NASA has contracted for the CRS-18 mission from SpaceX and therefore determines the primary payload, date/time of launch, andorbital parameters for theDragon space capsule . It carried the thirdInternational Docking Adapter (IDA-3).[ 10]
The following is a breakdown of cargo bound for the ISS:[ 11]
Science investigations: 1,192 kg (2,628 lb) Crew supplies: 233 kg (514 lb) Vehicle hardware: 157 kg (346 lb) Spacewalk equipment: 157 kg (346 lb) Computer resources: 17 kg (37 lb) External payloads: IDA-3 534 kg (1,177 lb)[ 12] The Dragon spacecraft also featured a handful of ceramic heat shield tiles, meant to flight-test a critical component of theSpaceX Starship spacecraft.[ 13]
^ Clark, Stephen (July 25, 2019)."New docking port, spacesuit and supplies en route to space station" .Spaceflight Now . RetrievedSeptember 23, 2019 . ^ Bergin, Chris (August 27, 2019)."CRS-18 Dragon completes mission with Pacific Ocean Splashdown" . NASA SpaceflightNow. RetrievedAugust 31, 2019 . ^ Dragon Captured With New Science Experiments ^ Dragon Installed to Station’s Harmony Module for Cargo Operations ^a b Live coverage: Dragon supply ship heading back to Earth today ^ "Launch Schedule" .Spaceflight Now . July 19, 2019. RetrievedJuly 19, 2019 .^ SpaceX (July 25, 2019),CRS-18 Mission , retrievedJuly 25, 2019 ^ @SpaceX (July 19, 2019)."The Dragon spacecraft supporting this mission previously visited the @space_station in April 2015 and December 2017" (Tweet ) – viaTwitter . ^ de Selding, Peter B. (February 24, 2016)."SpaceX wins 5 new space station cargo missions in NASA contract estimated at $700 million" . Space News. RetrievedFebruary 24, 2016 . ^ Pietrobon, Steven (August 20, 2018)."United States Commercial ELV Launch Manifest" . RetrievedAugust 21, 2018 . ^ "spaceflightnow.com/2019/07/25/new-docking-port-spacesuit-and-supplies-en-route-to-space-station" . July 25, 2019. RetrievedJuly 25, 2019 .^ "SpaceX's Cargo Dragon to Deliver New Space Station Docking Adapter for Commercial Crew Spacecraft" .NASA . July 12, 2019.^ Ralph, Eric (July 24, 2019)."SpaceX testing ceramic Starship heat shield tiles on flight-proven CRS-18 Cargo Dragon" .Teslarati . RetrievedJuly 24, 2019 .
Spacecraft Hardware Missions
Demo flights ISS logisticsCrewed missions
Ongoing spaceflights inunderline Italics indicates future missionsSymbol † indicates failed missions
SpaceX missions and payloads
Launch vehicles Falcon 1 missions Falcon 9 missions
Demonstrations ISS logisticsCrewed Commercial Scientific Military NROL -76X-37B OTV-5Zuma SES-16 / GovSat-1 Paz GPS III -01ANASIS-II GPS III-03 NROL-108 GPS III-04 GPS III-05 COSMO-SkyMed CSG-2 NROL-87 NROL-85 (Intruder 13A/B) SARah 1EROS-C3 GPS III-06 Transport and Tracking Layer (Tranche 0, Flight 1) Transport and Tracking Layer (Tranche 0, Flight 2) 425 Project flight 1 (EO/IR) SARah 2/3 USSF-124 425 Project flight 2 (SAR #1) Weather System Follow-on Microwave 1NROL-146 NROL-186 NROL-113 NROL-167 NROL-126 GPS III-07 NROL-149 425 Project flight 3 (SAR #2) NROL-153 Spainsat NG INROL-57 NROL-69 NROL-192 NROL-145 425 Project flight 4 (SAR #3) GPS III-08 SDA Tranche 1 DES Dror-1 USSF-36 (X-37BOTV-8 ) National Advanced Optical System (NAOS) SDA Tranche 1 Transport layer T1TL-B NROL-48 SDA Tranche 1 Transport layer T1TL-C Spainsat NG II425 Project flight 5 (SAR #4) NROL-77 CSG-3 NROL-105 GPS III-09 SDA Tranche 1 Transport layer T1TL-D SDA Tranche 1 Transport layer T1TL-E SDA Tranche 1 Tracking layer T1TR-C USSF-31 Skynet 6 ASDA Tranche 1 Transport layer T1TL-F SDA Tranche 1 Tracking layer T1TR-A SDA Tranche 1 Tracking layer T1TR-E SDA Tranche 2 Transport layer T2TL-A SDA Tranche 2 Transport layer T2TL-C SDA Tranche 2 Transport layer T2TL-D SDA Tranche 2 Transport layer T2TL-E USSF-75 USSF-70 SDA Tranche 2 Transport layer T2TL-F SDA Tranche 2 Transport layer T2TL-G SDA Tranche 2 Transport layer T2TL-H Starlink Rideshares
Falcon Heavy missions Starship missions
Flight tests Crewed Commercial
Ongoing spaceflights are underlinedFuture missions andvehicles under development in italicsFailed missions† are marked withdagger †
2000–2004 2005–2009 2010–2014 2015–2019 2020–2024 Since 2025 Future Spacecraft Ongoing spaceflights inunderline † - mission failed to reach ISS
January February March April May June July August September October November December Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ).Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).
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