| Project ID | P.I. | Tracks | Title (hover for abstract) |
| 2021B-A003 | Chia-Ying Chung | 3 | A statistical study to constrain grain growth efficiency in protoplanetary disks |
| 2021B-A004 | Dipen Sahu | 2 | Stability of centrally dense prestellar cores at a scale of 2000 AU |
| 2021B-A005 | Naomi Hirano | 3 | Magnetic fields in the central regions of prestellar cores |
| 2021B-A006 | Yuji Urata | 1 | Electro-magnetic wave candidate of IceCube Neutrino event |
| 2021B-A008 | Zhen-Kai Gao | 1 | SMA STUDIES IV: SCUBA-2 450µm Close Pairs |
| 2021B-A011 | Chia-Ying Chung | 3 | A statistical study to constrain grain growth efficiency in protoplanetary disks |
| 2021B-H001 | Lennox Cowie | 8 | A uniquely massively star-forming protocluster at z=3.15 in the GOODS-N |
| 2021B-H002 | Suchitra Narayanan | 4 | Search for sulfur organics in embedded disks in the Taurus molecular region |
| 2021B-H003 | Jonathan Williams | 6 | Do disks clear out gradually or suddenly? |
| 2021B-S001 | Richard Teague | 5 | Is the Magneto-Rotational Instability Driving Protoplanetary Disk Evolution? |
| 2021B-S004 | Qizhou Zhang | 1 | Magnetic Fields and protocluster formation |
| 2021B-S007 | Gerrit Schellenberger | 2 | UNDERSTANDING THE TIME VARIABILITY OF THE AGN IN NGC 5044 |
| 2021B-S012 | Sean Andrews | 6 | Disk Evolution using the "Distributed" Taurus Population |
| 2021B-S013 | Anna Ho | 1 | The Landscape of Relativistic Stellar Explosions |
| 2021B-S017 | Feng Long | 1 | Mapping the Gas Environment of Heavily Veiled Young Stars |
| 2021B-S034 | Jennifer Bergner | 2 | Molecular mapping of the chemically rich outflow B1-a |
| 2021B-S037 | Andrew Burkhardt | 1 | Resolving the Redshifted Outflow in the New Chemically-Active Outflow HH114: Is There a Precessing Jet, Episodic Ejection(s), or Both? |
| 2021B-S043 | Steven Willner | 1 | Disentangling radiating particle properties and jet physics from M87 multi-wavelength variability (copied from 2021A-S047) |
| 2021B-S044 | Joe Bright | 1 | Constraining the Nature and Progenitors of the Fast Blue Optical Transients |
| 2021B-S049 | Garrett "Karto" Keating | 10 | Polarimetric VLBI for the 2022 Event Horizon Telescope Campaign |
| 2021B-S051 | Sara Issaoun | 11 | Probing Black Hole Accretion Flows with Faraday Rotation |
| 2021B-S053 | Venkatessh Ramakrishnan | 4 | Polarimetric monitoring of the flaring blazar 1156+295 |
| 2021B-S054 | Nathan Roth | 4 | A Search for Distributed Sources at Small Heliocentric Distance in Comets C/2021 A1 (Leonard) and C/2021 O3 (PanSTARRS) |
| 2021B-S066 | Deanne Fisher | 2 | Testing Feedback Theory in Starbursting Disk Galaxies Extended Tracks |
| 2021B-S067 | Eric Koch | 1 | Ay191 project: The resolved molecular gas in a nascent tidal dwarf galaxy |
