TN 6 (05-02)
To receive MS credit from RRB the veteran must have entered the Armed Forces when
the U.S. was at war or in a state of national emergency, or involuntarily entered
the service and the period of MS was preceded by RR service. Voluntary service during
the period 06/15/1948 - 12/15/1950 can qualify for MS credit under certain conditions.
Credit may be given for:
Spanish-American War, 04/21/1898 - 08/13/1898
Philippine Insurrection, 02/04/1899 - 04/27/1902
WW I, 04/06/1917 - 11/11/1918;
WW II, 09/08/1939 - 06/14/1948;
06/24/1948 - 12/15/1950, if the veteran involuntarily entered or was drafted into
the service during this period unless in MS on 12/31/1946 or was required to involuntarily
enter on or after 01/1/1947. RR may grant MS credit for any month not shown above
if the MS was involuntary; i.e., the peacetime draft starting 06/24/1948 or any earlier
or later draft period or call to duty under any authority;
Effective 12/1/1988, RRB began granting MS wage credits for periods of voluntary MS
06/15/1948 - 12/15/1950 if the person rendered creditable RR service in the year released
from MS or the year after without any intervening non-RR employment.
National emergency, 12/01/1950 - 09/14/1978 (includes any remainder of a period of
service which began during this period);
Operation Desert Shield/Desert Storm, 08/02/1990 - date yet to be determined (continuing).
Any month not listed above if the MS was involuntary; i.e., drafted, drafted, recall
to active duty, federalizing the National Guard, etc.
All active service in the following branches of the armed forces is covered:
Land or naval forces of the U.S. Armed Forces including the Coast Guard;
All reserve components ordered to active duty, including:
Women's Army Auxiliary Corps (WAAC)
Women's Air Force (WAFS)
Women's Army Corps (WACS)
Women's Navy Reserves (WAVES)
Marine Corps Women's Reserves (Marines)
Women's Coast Guard Reserve (SPARS)
NOTE: RR MS does not include service in the Army Specialist Corps or the Merchant Marine.
RRB can credit MS:
a. before 09/16/1940;
b. that may have ended in a dishonorable discharge;
c. of less than 90 days;
d. credited by another Federal Agency;
e. used by OPM for Civil Service annuity purposes.
Amount of Credit
$160 per month
01/1968 - 12/1974
$260 per month
credit equal to the amount of SS covered military wages (no DMW granted).