Unit 3. Space Environmental Impacts, Operations, and Support

1.

1 point

(422) Which bulletin, produced by AFWA Space Weather Operation Center, provides notice that
a geomagnetic storm has already started?

WOXX50 KSFC.

WOXX54 KSFC.

FXXN12 KSFC.

FOXX50 KSFC.

2.

1 point

(418) In which level of the ionosphere does most of the refraction of HF communication radio
waves occur?

D-layer.

F-layer.

E-layer.

G-layer.

3.

1 point

(422) Which bulletin, produced by AFWA Space Weather Operation Center, provides notice that
certain HF communications frequencies may become unusable during daylight conditions due to
a sudden burst in the sun’s X-ray radiation?

WOXX50 KSFC.

WOXX54 KSFC.

FXXN12 KSFC.

FOXX50 KSFC.

4.

1 point

(422) Which bulletin, produced by AFWA Space Weather Operation Center, notifies SATCOM
ground operators and space-tracking operators of potential interference from a burst of radiowave
radiation?

NWXX50 KSFC.

WOXX54 KSFC.

WOXX50 KSFC.

WOXX53 KSFC.

5.

1 point

(416) The impact of electron density gradients within the ionosphere on SATCOMs is signals at

UHF are intermittently interrupted.

ULF are intermittently interrupted.

ULF are degraded.

UHF are degraded.

6.

1 point

(418) How many minutes does it take for solar flare-enhanced X-rays and extreme ultraviolet and
radio waves to reach earth?

8

7

9

6

7.

1 point

(420) Which statement is not a role of HQ AFWA Space Weather Operation Center?

Provide feedback to the Ionospheric Prediction Service regarding product quality, relevance, and timeliness.

Perform staff assistance visits to subordinate units; provide weather and space environmental assistance to AFWA staff.

Serve as operations liaison with NOAA and NASA for weather satellite programs, weather support to space shuttle operations, and for the National Space Weather Program.

Direct and manage AFSPC operations for all facets of the DMSP.

8.

1 point

(419) Which AFSPC weather and environmental unit provides weather services for all DOD and
civilian space and ballistic missile launch operations on the Eastern Range?

AFWA Space Weather Operation Center.

90th OSS Weather Flight.

45th Weather Squadron.

30th Weather Squadron.

9.

1 point

(417) What is the impact of electrically charged particles from the sun that penetrate into the mid
to upper stratosphere?

HF radio-wave interference.

Excessive frictional drag on high altitude aircraft.

Radiation hazard to aircrews of high altitude flight.

SATCOM signal interference.

10.

1 point

(417) What impact does radio-wave radiation emitted by the sun have on SATCOM ground
stations?

Scintillation.

Radiation influx.

Interference.

Signal amplification.

11.

1 point

(421) Which publication describes how solar and geophysical activity may impact DOD radar and
communications?

AFPD 15–1.

AFMAN 15–162.

AFI 15–118.

AFSPCPAM 15–2.

12.

1 point

(418) In which geographic location in earth’s outer atmosphere is the major impact of highenergy,
proton particles experienced?

Over the midlatitudes.

Over the equator.

Over the polar caps.

Over the low-latitudes.

13.

1 point

(420) Which statement is not a role of HQ AFWA Space Weather Operation Center?

Provide consolidated requirements for standard Air Force weather equipment to the AFWA.

Integrate weather and space environment operations into AFSPC missions, including spacelift, theater missile warning, surveillance, information dominance, and satellite control.

Coordinate organization, manpower, personnel, and training requirements as the command functional manager for weather.

Determine the most effective method of disseminating space weather information to agencies requiring support.

14.

1 point

(421) The Space Weather Operation Center receives energetic particle and other geophysical data
from the

DMSP spacecraft.

GOES spacecraft.

NASA.

US Geological Service.

15.

1 point

(416) What is the impact of electron density gradients within the ionosphere on earth-based space
tracking radar’s SHF signals?

Positional accuracy and object identification is degraded.

The radar’s signal is refracted, causing electrical short-circuiting in the radar.

Positional accuracy and object identification is improved.

The radar’s signal is attenuated, blocking object identification.